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<document ID-DOI="10.1007/s12225-021-09991-y" approvalRequired="22" approvalRequired_for_document="1" approvalRequired_for_taxonomicNames="10" approvalRequired_for_treatments="11" checkinTime="1675780091056" checkinUser="valdenar" docAuthor="Bongcheewin, Bhanubong, Ingrouille, Martin J. &amp; Paton, Alan J." docDate="2022" docId="2733879DFFAE1C2E0FA297961B32FE24" docLanguage="en" docName="KewBull.77.2792.pdf.imf" docOrigin="Kew Bulletin 77 (1)" docSource="http://dx.doi.org/10.1007/s12225-021-09991-y" docTitle="Gomphostemma" docType="key" docVersion="2" lastPageNumber="40" masterDocId="DB0AFFE5FFA51C230F3593701E44FFB2" masterDocTitle="A revision of Gomphostemma (Lamiaceae)" masterLastPageNumber="92" masterPageNumber="27" pageNumber="38" updateTime="1675796297425" updateUser="valdenar">
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<mods:titleInfo>
<mods:title>A revision of Gomphostemma (Lamiaceae)</mods:title>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Bongcheewin, Bhanubong</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Ingrouille, Martin J.</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Paton, Alan J.</mods:namePart>
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<mods:titleInfo>
<mods:title>Kew Bulletin</mods:title>
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<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-03-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>77</mods:number>
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<mods:detail type="issue">
<mods:number>1</mods:number>
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<mods:start>27</mods:start>
<mods:end>92</mods:end>
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<mods:url>http://dx.doi.org/10.1007/s12225-021-09991-y</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.1007/s12225-021-09991-y</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:2733879DFFAE1C2E0FA297961B32FE24" httpUri="http://treatment.plazi.org/id/2733879DFFAE1C2E0FA297961B32FE24" lastPageId="13" lastPageNumber="40" pageId="11" pageNumber="38">
<subSubSection box="[151,575,1253,1278]" pageId="11" pageNumber="38" type="nomenclature">
<paragraph blockId="11.[151,575,1253,1278]" box="[151,575,1253,1278]" pageId="11" pageNumber="38">
<heading bold="true" box="[151,575,1253,1278]" fontSize="10" level="1" pageId="11" pageNumber="38" reason="0">
<emphasis bold="true" box="[151,575,1253,1278]" pageId="11" pageNumber="38">
Key to the species of
<taxonomicName ID-CoL="8VXXH" ID-ENA="193327" authority="Wall. ex Benth" box="[405,575,1254,1278]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="genus">
<emphasis bold="true" box="[405,575,1254,1278]" italics="true" pageId="11" pageNumber="38">Gomphostemma</emphasis>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="13" lastPageNumber="40" pageId="11" pageNumber="38" type="key">
<key lastPageId="13" lastPageNumber="40" pageId="11" pageNumber="38">
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" pageId="11" pageNumber="38">
<keyLead pageId="11" pageNumber="38">1. Inflorescence axillary, or basal with opposite cymes or short raceme-like flowering shoots without leaves borne laterally to the main leafy stem........................................................ 2</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1378,1400]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1378,1400]" pageId="11" pageNumber="38">1. Inflorescence terminal at apex of leafy stem axis or terminal and axillary......................... 31</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1408,1430]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1408,1430]" pageId="11" pageNumber="38">2. Inflorescence basal, opposite cymes inserted at the lower nodes from which leaves have mostly fallen.... 3</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1439,1461]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1439,1461]" pageId="11" pageNumber="38">2. Inflorescence axillary, opposite cymes inserted at the upper nodes at which leaves are usually present... 3</keyLead>
</paragraph>
</keyStep>
<paragraph blockId="11.[151,1399,1317,1919]" pageId="11" pageNumber="38">
<keyStep pageId="11" pageNumber="38">
<keyLead box="[151,1399,1469,1491]" pageId="11" pageNumber="38">
3. Stems tomentose with dendroid hairs and stellate hairs with a multi-celled stalk.....
<emphasis bold="true" box="[1166,1399,1469,1491]" pageId="11" pageNumber="38">
27.
<taxonomicName authority="Stems" authorityName="Stems" box="[1207,1399,1469,1491]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="pedunculatum">G. pedunculatum</taxonomicName>
</emphasis>
</keyLead>
<keyLead box="[151,1181,1500,1522]" pageId="11" pageNumber="38">3. Stems tomentose with stellate hairs with sessile or a 1-celled stalk, dendroid hairs absent2</keyLead>
</keyStep>
</paragraph>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" pageId="11" pageNumber="38">
<keyLead pageId="11" pageNumber="38">
2. Calyx lobes with subulate apex; corolla 30 23 mm long; petioles 30 60 ( 90) mm long. Malay Peninsula, Sumatra, Borneo..........................................................
<emphasis bold="true" box="[1249,1399,1561,1583]" pageId="11" pageNumber="38">
11.
<taxonomicName authority="Calyx" authorityName="Calyx" box="[1290,1399,1561,1583]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="curtisii">G. curtisii</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" pageId="11" pageNumber="38">
<keyLead pageId="11" pageNumber="38">
2. Calyx lobes with acuminate apex; corolla 30 60 mm long; petioles 10 20 mm long. S China, Taiwan, N Vietnam...............................................................
<emphasis bold="true" box="[1228,1398,1622,1644]" pageId="11" pageNumber="38">
10.
<taxonomicName authority="Corolla" authorityName="Corolla" box="[1268,1398,1622,1644]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="chinense">G. chinense</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1653,1675]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1653,1675]" pageId="11" pageNumber="38">3. Corolla tube with annulus of simple hairs inside........................................... 6</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1683,1705]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1683,1705]" pageId="11" pageNumber="38">3. Corolla tube glabrous inside.......................................................... 8</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1714,1736]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1714,1736]" pageId="11" pageNumber="38">
6. Opposite cymes of inflorescence congested.................................
<emphasis bold="true" box="[1174,1399,1714,1736]" pageId="11" pageNumber="38">
23.
<taxonomicName authority="Opposite" authorityName="Opposite" box="[1215,1399,1714,1736]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="hemsleyanum">G. hemsleyanum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1744,1766]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1744,1766]" pageId="11" pageNumber="38">6. Opposite cymes of inflorescence elongated, raceme-like...................................... 5</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1399,1775,1797]" pageId="11" pageNumber="38">
<keyLead box="[151,1399,1775,1797]" pageId="11" pageNumber="38">
5. Erect herbs; stems robust; inflorescence with axis visble between cymes...............
<emphasis bold="true" box="[1217,1399,1775,1797]" pageId="11" pageNumber="38">
25.
<taxonomicName authority="Climbing" authorityName="Climbing" box="[1258,1399,1775,1797]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="microdon">G. microdon</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" box="[151,1398,1805,1828]" pageId="11" pageNumber="38">
<keyLead box="[151,1398,1805,1828]" pageId="11" pageNumber="38">
5. Climbing herbs; stems slender; inflorescence with axis not visible between cymes........
<emphasis bold="true" box="[1217,1398,1805,1827]" pageId="11" pageNumber="38">30. G. repentum</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="11" pageNumber="38">
<paragraph blockId="11.[151,1399,1317,1919]" pageId="11" pageNumber="38">
<keyLead pageId="11" pageNumber="38">
8. Opposite cymes of inflorescence unbranched, elongate, raceme-like, lax with axis visible between flowers.............................................................
<emphasis bold="true" box="[1188,1398,1866,1888]" pageId="11" pageNumber="38">
3.
<taxonomicName authority="Opposite" authorityName="Opposite" box="[1216,1398,1866,1888]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="38" phylum="Tracheophyta" rank="species" species="dolichobotrys">G. dolichobotrys</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="11.[151,1399,1317,1919]" lastBlockId="12.[189,1437,201,1873]" lastPageId="12" lastPageNumber="39" pageId="11" pageNumber="38">
<keyLead box="[151,1398,1897,1919]" pageId="11" pageNumber="38">8. Opposite cymes of inflorescence branched then lax, or if unbranched then congested with axis not visible</keyLead>
<keyLead box="[236,1436,201,223]" pageId="12" pageNumber="39">
<keyStep box="[236,1436,201,223]" pageId="12" pageNumber="39">between flowers................................................................... 9</keyStep>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1437,231,253]" pageId="12" pageNumber="39">
<keyLead box="[189,1437,231,253]" pageId="12" pageNumber="39">9. Corolla throat inflated, tube abruptly dilated near the throat; nutlets 1 2........................ 10</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1437,262,284]" pageId="12" pageNumber="39">
<keyLead box="[189,1437,262,284]" pageId="12" pageNumber="39">9. Corolla throat narrow, not enlarged, sometimes gradually dilated towards the throat; nutlets solitary..... 23</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,292,314]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,292,314]" pageId="12" pageNumber="39">
10. Mature leaves whitish or creamy-white tomentose on the lower side, strongly discolorous....
<emphasis bold="true" box="[1243,1436,292,314]" pageId="12" pageNumber="39">
12.
<taxonomicName box="[1282,1436,292,314]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="hainanense">G. hainanense</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,323,345]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,323,345]" pageId="12" pageNumber="39">10. Mature leaves pale green tomentose on the lower side, not or weakly discolorous................... 11</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,354,376]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,354,376]" pageId="12" pageNumber="39">11. Erect herbs up to 0.2 m or sprawling herbs............................................... 12</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,384,406]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,384,406]" pageId="12" pageNumber="39">11. Erect herbs 0.2 3 m, not sprawling.................................................... 16</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,415,437]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,415,437]" pageId="12" pageNumber="39">12. Erect herbs up to 0.2 m; stems upright, sometimes flaccid.................................... 13</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">12. Sprawling herbs; stems scrambling; internodes of leafy and flowering shoots with curving stem appearing wavy, always twisting..................................................................... 13</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1437,506,528]" pageId="12" pageNumber="39">
<keyLead box="[189,1437,506,528]" pageId="12" pageNumber="39">
13. Lower side of leaves dense tomentose; roots not tuber-like.........................
<emphasis bold="true" box="[1252,1437,506,528]" pageId="12" pageNumber="39">23. G. pelutinum</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,537,559]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,537,559]" pageId="12" pageNumber="39">13. Lower side of leaves sparse tomentose; roots tuber-like....................................... 12</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
12. Upper side of leaves with sessile stellate hairs and 2 2-celled simple hairs all over; bracts deciduous.............................................................................
<emphasis bold="true" box="[1263,1436,598,620]" pageId="12" pageNumber="39">
18.
<taxonomicName box="[1304,1436,598,620]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="mastersii">G. mastersii</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
12. Upper side of leaves with 2 2-celled simple hairs, sometimes with sparse stellate hairs only on lower part of midrib; bracts persistent....................................................
<emphasis bold="true" box="[1280,1436,659,681]" pageId="12" pageNumber="39">20. G. opatum</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
13. Corolla 30 30 mm long; upper side of leaves tomentose with sessile stellate hairs or sparsely so to almost glabrous...........................................................
<emphasis bold="true" box="[1214,1437,720,742]" pageId="12" pageNumber="39">
17.
<taxonomicName box="[1255,1437,720,742]" class="Magnoliopsida" family="Lamiaceae" genus="Prasium" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="melissifolium">G. melissifolium</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,750,773]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,750,773]" pageId="12" pageNumber="39">
13. Corolla 13 20 ( 23) mm long; upper side of leaves scabrid with stiff hairs..........
<emphasis bold="true" box="[1247,1436,750,773]" pageId="12" pageNumber="39">12. G. flexuosum</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,781,803]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,781,803]" pageId="12" pageNumber="39">
16. Flowering calyx densely covered with long simple hairs and long branched hairs.........
<emphasis bold="true" box="[1263,1436,781,803]" pageId="12" pageNumber="39">
13.
<taxonomicName box="[1304,1436,781,803]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="hirsutum">G. hirsutum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">16. Flowering calyx densely covered with sessile stellate or stellate hairs with a 1-celled stalk and/or short simple hairs............................................................................ 15</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,873,895]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,873,895]" pageId="12" pageNumber="39">15. Opposite cymes subtended by the upper leaves and cluster of small leaf-like bracts.................. 18</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,903,926]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,903,926]" pageId="12" pageNumber="39">15. Opposite cymes subtended by the upper leaves only........................................ 19</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
18. Stems densely covered by stellate hairs or dendroid hairs with a multi-celled stalk; upper side of leaves dense tomentose with 3 2-celled simple hairs, sometimes bifurcate hairs.............
<emphasis bold="true" box="[1185,1436,964,986]" pageId="12" pageNumber="39">
21.
<taxonomicName box="[1226,1436,964,986]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="stellatohirsutum">G. stellatohirsutum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
18. Stems densely covered by stellate hairs with a 1-celled stalk, dendroid hairs absent; upper side of leaves tomentose with 1 2 ( 3)-celled simple hairs...................................
<emphasis bold="true" box="[1263,1436,1026,1048]" pageId="12" pageNumber="39">
22.
<taxonomicName box="[1304,1436,1026,1048]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="sulcatum">G. sulcatum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1056,1078]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1056,1078]" pageId="12" pageNumber="39">19. Fruiting calyx lobes longer than the tube at maturity........................................ 20</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1087,1109]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1087,1109]" pageId="12" pageNumber="39">19. Fruiting calyx lobes not longer than the tube at maturity..................................... 21</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1117,1139]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1117,1139]" pageId="12" pageNumber="39">
20. Petioles 30 130 mm long; leaf margin serrate.................................
<emphasis bold="true" box="[1263,1436,1117,1139]" pageId="12" pageNumber="39">
15.
<taxonomicName authorityName="Dunn" authorityYear="1913" box="[1304,1436,1117,1139]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="leptodon">G. leptodon</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1148,1170]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1148,1170]" pageId="12" pageNumber="39">
20. Petioles 10 30 mm long; leaf margin subentire or obtusely serrate...............
<emphasis bold="true" box="[1211,1436,1148,1170]" pageId="12" pageNumber="39">16. G. japanicum (1)</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1178,1201]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1178,1201]" pageId="12" pageNumber="39">
21. Margins of fruiting calyx lobes revolute in cross-section........................
<emphasis bold="true" box="[1217,1436,1178,1201]" pageId="12" pageNumber="39">
13.
<taxonomicName box="[1258,1436,1178,1201]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="grandiflorum">G. grandiflorum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1209,1231]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1209,1231]" pageId="12" pageNumber="39">21. Margins of fruiting calyx lobes flat in cross-section.......................................... 22</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
22. Flowering calyx 5 13 mm long; opposite cymes branched then lax or unbranched then congested with axis not visible between flowers, exceeding 20 mm wide when pressed, excluding corolla.....
<emphasis bold="true" box="[1216,1436,1270,1292]" pageId="12" pageNumber="39">16. G. japanicum (2)</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
22. Flowering calyx 3 8 mm long; opposite cymes unbranched then very congested with axis not visible between flowers, up to 20 mm wide when pressed, excluding corolla....................
<emphasis bold="true" box="[1202,1436,1331,1353]" pageId="12" pageNumber="39">
22.
<taxonomicName box="[1243,1396,1331,1353]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="microcalyx">G. microcalyx</taxonomicName>
(2)
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1362,1384]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1362,1384]" pageId="12" pageNumber="39">
23. Mature leaves whitish or creamy-white tomentose on the lower side, strongly discolorous.....
<emphasis bold="true" box="[1294,1436,1362,1384]" pageId="12" pageNumber="39">5. G. nipeum</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1392,1414]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1392,1414]" pageId="12" pageNumber="39">23. Mature leaves pale green tomentose on the lower side, not or weakly discolorous................... 22</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1423,1445]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1423,1445]" pageId="12" pageNumber="39">
22. Bracts leaf-like, broadly ovate or broadly elliptic-ovate, 9 13 mm wide................
<emphasis bold="true" box="[1274,1436,1423,1445]" pageId="12" pageNumber="39">
1.
<taxonomicName authorityName="Dunn" authorityYear="1920" box="[1303,1436,1423,1445]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="aborense">G. aborense</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1437,1454,1476]" pageId="12" pageNumber="39">
<keyLead box="[189,1437,1454,1476]" pageId="12" pageNumber="39">22. Bracts rhomboid, elliptic, elliptic-ovate, ovate, lanceolate, ovate-lanceolate, obovate, falcate, 2 8 mm wide..... 23</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1437,1484,1506]" pageId="12" pageNumber="39">
<keyLead box="[189,1437,1484,1506]" pageId="12" pageNumber="39">
23. Corolla tube included in the calyx............................................
<emphasis bold="true" box="[1270,1437,1484,1506]" pageId="12" pageNumber="39">
3.
<taxonomicName box="[1298,1437,1484,1506]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="keralense">G. keralense</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1515,1537]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1515,1537]" pageId="12" pageNumber="39">23. Corolla tube exserted from the calyx.................................................... 26</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
26. Leaf margin dentate or dentate-serrate with glandular thickening at the tip of serration; flowering calyx glabrous inside.........................................................
<emphasis bold="true" box="[1254,1436,1576,1598]" pageId="12" pageNumber="39">2. G. eriocarpon</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">26. Leaf margin serrate, shallowly serrate or subentire, without glandular thickening at the tip; flowering calyx tomentose inside................................................................... 25</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">
25. Flowering calyx 3 8 mm long; opposite cymes very congested, up to 20 mm wide when pressed, excluding corolla...........................................................
<emphasis bold="true" box="[1202,1436,1698,1720]" pageId="12" pageNumber="39">
22.
<taxonomicName box="[1243,1396,1698,1720]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="microcalyx">G. microcalyx</taxonomicName>
(1)
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" pageId="12" pageNumber="39">
<keyLead pageId="12" pageNumber="39">25. Flowering calyx 8 20 mm long; opposite cymes congested or lax, exceeding 20 mm wide when pressed, excluding corolla.................................................................. 28</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1789,1812]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1789,1812]" pageId="12" pageNumber="39">
28. Corolla 20 30 mm long...............................................
<emphasis bold="true" box="[1231,1436,1789,1811]" pageId="12" pageNumber="39">6. G. longipetalum</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1820,1842]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1820,1842]" pageId="12" pageNumber="39">28. Corolla 13 33 mm long............................................................ 29</keyLead>
</paragraph>
</keyStep>
<keyStep lastPageId="13" lastPageNumber="40" pageId="12" pageNumber="39">
<paragraph blockId="12.[189,1437,201,1873]" box="[189,1436,1851,1873]" pageId="12" pageNumber="39">
<keyLead box="[189,1436,1851,1873]" pageId="12" pageNumber="39">
29. Bracts lanceolate or elliptic-ovate, 2 3 mm wide, narrower than the calyx...............
<emphasis bold="true" box="[1282,1436,1851,1873]" pageId="12" pageNumber="39">
2.
<taxonomicName box="[1310,1436,1851,1873]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="12" pageNumber="39" phylum="Tracheophyta" rank="species" species="crinitum">G. crinitum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="13.[151,1399,201,406]" box="[151,1399,201,223]" pageId="13" pageNumber="40">
<keyLead box="[151,1399,201,223]" pageId="13" pageNumber="40">29. Bracts ovate, ovate-lanceolate or obovate, 2 8 mm wide, broader than the calyx................... 30</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="13" pageNumber="40">
<paragraph blockId="13.[151,1399,201,406]" box="[151,1399,231,254]" pageId="13" pageNumber="40">
<keyLead box="[151,1399,231,254]" pageId="13" pageNumber="40">
30. Petioles 20 20 mm long................................................
<emphasis bold="true" box="[1207,1399,231,254]" pageId="13" pageNumber="40">8. G. parpiflorum</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="13.[151,1399,201,406]" box="[151,1398,262,284]" pageId="13" pageNumber="40">
<keyLead box="[151,1398,262,284]" pageId="13" pageNumber="40">
30. Petioles 30 120 mm long.................................................
<emphasis bold="true" box="[1228,1398,262,284]" pageId="13" pageNumber="40">
7.
<taxonomicName box="[1256,1398,262,284]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="13" pageNumber="40" phylum="Tracheophyta" rank="species" species="thomsonii">G. thomsonii</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="13" pageNumber="40">
<paragraph blockId="13.[151,1399,201,406]" box="[151,1399,292,314]" pageId="13" pageNumber="40">
<keyLead box="[151,1399,292,314]" pageId="13" pageNumber="40">
31. Plants climbing; stems slender, scrambling.......................................
<emphasis bold="true" box="[1251,1399,292,314]" pageId="13" pageNumber="40">
28.
<taxonomicName box="[1292,1399,292,314]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="13" pageNumber="40" phylum="Tracheophyta" rank="species" species="nutans">G. nutans</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="13.[151,1399,201,406]" box="[151,1399,323,345]" pageId="13" pageNumber="40">
<keyLead box="[151,1399,323,345]" pageId="13" pageNumber="40">31. Plants not climbing; stems robust, erect.................................................. 32</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="13" pageNumber="40">
<paragraph blockId="13.[151,1399,201,406]" box="[151,1398,353,376]" pageId="13" pageNumber="40">
<keyLead box="[151,1398,353,376]" pageId="13" pageNumber="40">
32. Corolla tube 8 12 mm long, included in the calyx.............................
<emphasis bold="true" box="[1198,1398,353,375]" pageId="13" pageNumber="40">
26.
<taxonomicName box="[1239,1398,353,375]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="13" pageNumber="40" phylum="Tracheophyta" rank="species" species="heyneanum">G. heyneanum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph blockId="13.[151,1399,201,406]" box="[151,1398,384,406]" pageId="13" pageNumber="40">
<keyLead box="[151,1398,384,406]" pageId="13" pageNumber="40">
32. Corolla tube 13 23 mm long, exserted from the calyx..........................
<emphasis bold="true" box="[1198,1398,384,406]" pageId="13" pageNumber="40">
31.
<taxonomicName box="[1239,1398,384,406]" class="Magnoliopsida" family="Lamiaceae" genus="Gomphostemma" kingdom="Plantae" order="Lamiales" pageId="13" pageNumber="40" phylum="Tracheophyta" rank="species" species="strobilinum">G. strobilinum</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
</keyStep>
</key>
</subSubSection>
</treatment>
</document>