<documentID-CLB-Dataset="20595"ID-DOI="http://dx.doi.org/10.3897/phytokeys.190.72740"ID-GBIF-Dataset="05a5cd96-b4e8-4790-aad7-ce23ecd5f576"ID-PMC="PMC8873181"ID-Pensoft-Pub="1314-2003-190-1"ID-Pensoft-UUID="EE4B5CE540D758DD83B5A745F4792F5D"ID-PubMed="35437379"ModsDocID="1314-2003-190-1"checkinTime="1645139658121"checkinUser="pensoft"docAuthor="Clark, John L. & Clavijo, Laura"docDate="2022"docId="029B487BE4A559DF984871BF5730D6B0"docLanguage="en"docName="PhytoKeys 190: 1-14"docOrigin="PhytoKeys 190"docPubDate="2022-02-17"docSource="http://dx.doi.org/10.3897/phytokeys.190.72740"docTitle="Drymonia intermedia Clavijo & J. L. Clark 2022, sp. nov."docType="treatment"docVersion="7"id="EE4B5CE540D758DD83B5A745F4792F5D"lastPageNumber="1"masterDocId="EE4B5CE540D758DD83B5A745F4792F5D"masterDocTitle="Two new species of Drymonia (Gesneriaceae) from Northwestern South America, including the discovery of the longest flower known in the genus"masterLastPageNumber="14"masterPageNumber="1"pageNumber="1"updateTime="1720559167030"updateUser="ExternalLinkService">
<mods:titleid="BBEBB85AE0055A2E8B2AD8AFBEA14739">Two new species of Drymonia (Gesneriaceae) from Northwestern South America, including the discovery of the longest flower known in the genus</mods:title>
<mods:affiliationid="C5B789A6EB56CA40C9E6822963DA94E9">Universidad Nacional de Colombia - Sede Bogota, Facultad de Ciencias, Instituto de Ciencias Naturales, Bogota, D. C., 111321, Colombia</mods:affiliation>
<taxonomicNameid="85A575CBC8E2CAB7DA5BA5ADFF0046AC"ID-CoL="96M9F"LSID="029B487B-E4A5-59DF-9848-71BF5730D6B0"authority="Clavijo & J. L. Clark"authorityName="Clavijo & J. L. Clark"authorityYear="2022"class="Magnoliopsida"family="Gesneriaceae"genus="Drymonia"higherTaxonomySource="treatment-meta"kingdom="Plantae"lsidName="Drymonia intermedia"order="Lamiales"pageId="0"pageNumber="1"phylum="Tracheophyta"rank="species"species="intermedia"status="sp. nov.">Drymonia intermedia Clavijo & J.L.Clark</taxonomicName>
<figureCitationid="1CA165D3038F76A102D6F062D6538B3D"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Drymonia intermedia Clavijo & J. L. Clark A holotype specimen B upper view of mature fruit C front view of corolla D lateral view of flower (A holotype (SEL) of J. L. Clark et al. 10442 B from J. L. Clark et al. 7148 C, D from J. L. Clark et al. 10344). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure1"httpUri="https://binary.pensoft.net/fig/647433"pageId="0"pageNumber="1">Fig. 1</figureCitation>
by leaves with a submarginal collecting vein formed by the secondary venation (i.e., brochidodromous), a narrow elongate tubular corolla, and lanceolate calyx lobes with margins laciniate with unbranched filiform serrations. Similar to
<materialsCitationid="9F5C6019D3D3537791FED9F8D2E625E3"accessionNumber="III 10442"collectingDate="2008-05-28"collectorName="J. L. Clark, B. Bisvicuth, J. Melton"country="Ecuador"county="San Lorenzo"elevation="200"latitude="1.0472221"location="Durango"longLatPrecision="21"longitude="-78.615"municipality="Alto Tambo"specimenCount="1"stateProvince="Esmeraldas"typeStatus="holotype">
Terrestrial, hemiepiphytic or epiphytic herb or subshrub, with scandent to horizontal shoots to 1 m long. Stems subquadrangular in cross-section, 0.3-0.5 cm in diameter, strigose to glabrate, internodes 2.5-8 cm long.
opposite, decussate, usually evenly spaced and becoming clustered near apex, isophyllous or subequal in a pair; petioles 0.3-0.6 cm long, basal enations not evident, strigillose to strigose, terete in cross-section; blade elliptic to ovate, 6.5-12.2
2.6-5.5 cm, membranous to subcoriaceous, the base rounded to acute, sometimes oblique, the apex acuminate, the margin serrate, the upper surface glossy-green, glabrescent or strigose, the lower surface light green, glabrescent or strigillose, lateral secondary veins 5-6 pairs, prominent abaxially, strigose abaxially, forming a submarginal collecting vein (i.e., brochidodromous).
with calyx uniformly light green; lobes 5, fused at base, 4 nearly equal, the upper lobe slightly smaller and more narrow, membranous, lanceolate with an elongate acute apex, the margins laciniate with unbranched filiform teeth, the lobes covered with sparsely pilose trichomes, 1.4-1.6
0.2-0.3 cm. Corolla zygomorphic, tubular, elongate, 2.0-3.5 cm long, with slight spur (nectar chamber) at base, to 0.4 cm long; the corolla tube perpendicular relative to calyx, ampliate toward the limb, not contracted above, ca. 2.0 cm long, ca. 0.8 cm wide near middle, uniformly pale yellow outside, usually lighter yellow in the throat and limb, sometimes with brown spotting on lower portion of throat, the inside sparsely pilose or glandular, the outside uniformly sericeous; throat to 0.8 cm in diameter; limb with 5 spreading lobes, subequal, globose, rounded at apex, margins fimbriate, uniformly strigose abaxially and adaxially, lobes 3-5
4-5 mm, the lower lobe slightly larger. Androecium of 4 didynamous stamens, included; filaments 1.2-2.0 cm long, adnate to the base of the corolla tube for 2-3 mm, glabrous, coiled after anthesis; the anthers at first coherent, after anthesis separating, dehiscent by basal pores, 2-4
1.2-1.6 mm. Gynoecium with a single dorsal nectary gland, thick, ovate, 2-3 mm long, glabrous; the ovary superior, sericeous, green; style included, 2-3 cm long, white, puberulent; stigma stomatomorphic.
a fleshy bivalved capsule, the valves green abaxially, dark maroon adaxially, at dehiscence reflexed 180°, revealing a central cone of fleshy, dark red funicular tissue covered by a thin, purple endocarp that remains attached and surrounds the placentae and mass of funiculi and seeds, and then dehisces at a later stage.
<paragraphid="6741E5877FE4EDB33F28E53BE889ECAF"pageId="0"pageNumber="1">This species has been collected with flowers in May and June. Specimens with fruits are only known from May.</paragraph>
<taxonomicNameid="670EF3814E1E6A3ACA32CF309EC06839"authorityName="Clavijo & J. L. Clark"authorityYear="2022"class="Magnoliopsida"family="Gesneriaceae"genus="Drymonia"kingdom="Plantae"lsidName="Drymonia intermedia"order="Lamiales"pageId="0"pageNumber="1"phylum="Tracheophyta"rank="species"species="intermedia">
is endemic to the western Andean slopes between 150 and 600 m in the Ecuadorian province of Esmeraldas. This species has not yet been found in any formally protected area in Ecuador. According to the IUCN Red List criteria (
<bibRefCitationid="B38491A06FCDDF0A0DB7651DF85DFFC1"author="IUCN"journalOrPublisher="Rheedea"pageId="0"pageNumber="1"refId="B4"refString="IUCN, 2022. Guidelines for Using the IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Committee. [accessed 20.01.2022]"title="Guidelines for Using the IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Committee. [accessed 20.01.2022]"year="2022">IUCN 2022</bibRefCitation>
) for limited geographic range (EOO <5,000 km2 and AOO <500 km2) and associated subcriteria, including occurrence at fewer than five locations (B2a) and continuing decline of Andean forests (B2b),
<taxonomicNameid="6D79182E17F861B6D457E95AD4E1CDDF"authorityName="Clavijo & J. L. Clark"authorityYear="2022"class="Magnoliopsida"family="Gesneriaceae"genus="Drymonia"kingdom="Plantae"lsidName="Drymonia intermedia"order="Lamiales"pageId="0"pageNumber="1"phylum="Tracheophyta"rank="species"species="intermedia">
is distinguished by a submarginal collecting vein formed from the secondary veins that curve upwards towards the leaf margin (brochidodromous venation) (Fig.
<figureCitationid="68BF4EC868EBFCD3DD2FB73BB1B139E2"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Drymonia intermedia Clavijo & J. L. Clark A holotype specimen B upper view of mature fruit C front view of corolla D lateral view of flower (A holotype (SEL) of J. L. Clark et al. 10442 B from J. L. Clark et al. 7148 C, D from J. L. Clark et al. 10344). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure1"httpUri="https://binary.pensoft.net/fig/647433"pageId="0"pageNumber="1">1A</figureCitation>
<figureCitationid="5ABC6E1FC5A81B1F6B52FD22155AFA5F"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Drymonia laciniosa Wiehler A dorsiventral habit B immature cone-shaped fruit C front view of flower D lateral view of flower (A from J. L. Clark 1630 B from J. L. Clark et al. 9629 C from J. L. Clark et al. 10117 D from J. L. Clark et al. 12123). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure2"httpUri="https://binary.pensoft.net/fig/647434"pageId="0"pageNumber="1">2A</figureCitation>
<figureCitationid="839B9586B8D167CBAD4B95A1CBE1A184"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Drymonia macrophylla (Oerst.) H. E. Moore A erect subwoody habit B mature fleshy bivalved capsule C front view of corolla D lateral view of flower (A from P. Pedraza et al. 850 B from J. L. Clark et al. 12119 C, D from J. L. Clark et al. 10044). Photo A by P. Pedraza and photos B-D by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure3"httpUri="https://binary.pensoft.net/fig/647435"pageId="0"pageNumber="1">3A</figureCitation>
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<figureCitationid="EC81D80A338167DA1D54234D8B21ADF9"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Drymonia intermedia Clavijo & J. L. Clark A holotype specimen B upper view of mature fruit C front view of corolla D lateral view of flower (A holotype (SEL) of J. L. Clark et al. 10442 B from J. L. Clark et al. 7148 C, D from J. L. Clark et al. 10344). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure1"httpUri="https://binary.pensoft.net/fig/647433"pageId="0"pageNumber="1">1D</figureCitation>
<figureCitationid="BAD371C818908622DB1C28A4CEA6368B"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Drymonia laciniosa Wiehler A dorsiventral habit B immature cone-shaped fruit C front view of flower D lateral view of flower (A from J. L. Clark 1630 B from J. L. Clark et al. 9629 C from J. L. Clark et al. 10117 D from J. L. Clark et al. 12123). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure2"httpUri="https://binary.pensoft.net/fig/647434"pageId="0"pageNumber="1">2B, D</figureCitation>
<figureCitationid="FDC77AC5496088006BA4CAE11095F3BB"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Drymonia intermedia Clavijo & J. L. Clark A holotype specimen B upper view of mature fruit C front view of corolla D lateral view of flower (A holotype (SEL) of J. L. Clark et al. 10442 B from J. L. Clark et al. 7148 C, D from J. L. Clark et al. 10344). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure1"httpUri="https://binary.pensoft.net/fig/647433"pageId="0"pageNumber="1">1D</figureCitation>
<figureCitationid="8C3BC67917662FDE1381F2427BDAC22F"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Drymonia longiflora J. L. Clark & Clavijo A erect subwoody habit B mature calyx lobes C front view of corolla D lateral view of flower (A from J. L. Clark et al. 7196 B from J. L. Clark et al. 13417 C, D from J. L. Clark et al. 10343). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure4"httpUri="https://binary.pensoft.net/fig/647436"pageId="0"pageNumber="1">4D</figureCitation>
<figureCitationid="D5A86EBEAEEC2A651E526929EB7C79A9"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Drymonia intermedia Clavijo & J. L. Clark A holotype specimen B upper view of mature fruit C front view of corolla D lateral view of flower (A holotype (SEL) of J. L. Clark et al. 10442 B from J. L. Clark et al. 7148 C, D from J. L. Clark et al. 10344). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure1"httpUri="https://binary.pensoft.net/fig/647433"pageId="0"pageNumber="1">1D</figureCitation>
<figureCitationid="DC89FEB08F1B2CE1BB9D2E2856E795CB"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Drymonia longiflora J. L. Clark & Clavijo A erect subwoody habit B mature calyx lobes C front view of corolla D lateral view of flower (A from J. L. Clark et al. 7196 B from J. L. Clark et al. 13417 C, D from J. L. Clark et al. 10343). Photos by J. L. Clark."figureDoi="10.3897/phytokeys.190.72740.figure4"httpUri="https://binary.pensoft.net/fig/647436"pageId="0"pageNumber="1">4D</figureCitation>
<tableCitationid="13199F02D46FCD85761ACF7874FCE9A0"captionStart="Table 1"captionStartId="T1"captionText="Table 1. General geographic distribution (names in parentheses indicate provinces for Ecuador or departments for Colombia) and comparison of morphological characters to differentiate Drymonia fimbriata, D. intermedia, D. laciniosa, D. longiflora, D. macrophylla, and D. peponifera."httpUri="http://table.plazi.org/id/CE026658719071926293EA1436B853EB"pageId="0"pageNumber="1"tableUuid="CE026658719071926293EA1436B853EB">1</tableCitation>
<taxonomicNameid="B1E24A5260D60EBD26129A9538DD72AB"authorityName="Clavijo & J. L. Clark"authorityYear="2022"class="Magnoliopsida"family="Gesneriaceae"genus="Drymonia"kingdom="Plantae"lsidName="Drymonia intermedia"order="Lamiales"pageId="0"pageNumber="1"phylum="Tracheophyta"rank="species"species="intermedia">
<materialsCitationid="E02EFF273865B6E0659B3DF3500BC44C"collectingDate="2003-02-12"collectingDateMax="2009-06-02"collectingDateMin="2003-02-12"collectorName="J. L. Clark, G. Zapata, G. Toasa, The, Gesneriad Research Expedition Participants"country="Ecuador"county="San Lorenzo"elevation="475"latitude="1.0472221"location="Awa Indigenous Territory"longLatPrecision="21"longitude="-78.615"municipality="Alto Tambo"specimenCount="1"stateProvince="Esmeraldas">
