354 lines
29 KiB
XML
354 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.99.24765" ID-PMC="PMC5990588" ID-Pensoft-Pub="1314-2003-99-93" ID-Pensoft-UUID="7E04FFF0FF80FF99FFD9FF8FFFF2FF91" ID-PubMed="29881322" ID-Zenodo-Dep="1284659" ModsDocID="1314-2003-99-93" checkinTime="1527698458098" checkinUser="pensoft" docAuthor="Stirton, Charles H., Bello, Abubakar & Muasya, A. Muthama" docDate="2018" docId="E4491E23D287527981981A89FBAEC6B3" docLanguage="en" docName="PhytoKeys 99: 93-98" docOrigin="PhytoKeys 99" docPubDate="2018-05-30" docSource="http://dx.doi.org/10.3897/phytokeys.99.24765" docTitle="Psoralea forbesiae C. H. Stirt., A. Bello & Muasya 2018, sp. nov." docType="treatment" docVersion="3" id="7E04FFF0FF80FF99FFD9FF8FFFF2FF91" lastPageNumber="93" masterDocId="7E04FFF0FF80FF99FFD9FF8FFFF2FF91" masterDocTitle="Psoralea forbesiae (Psoraleeae, Fabaceae), a new species from the Swartberg Mountains of South Africa" masterLastPageNumber="99" masterPageNumber="93" pageNumber="93" updateTime="1668142310775" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Psoralea forbesiae (Psoraleeae, Fabaceae), a new species from the Swartberg Mountains of South Africa</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Stirton, Charles H.</mods:namePart>
|
||
<mods:affiliation>Bolus Herbarium, Biological Sciences Department, University of Cape Town, Private Bag X 3, Rondebosch 7700, South Africa</mods:affiliation>
|
||
<mods:nameIdentifier type="email">chstirton@gmail.com</mods:nameIdentifier>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Bello, Abubakar</mods:namePart>
|
||
<mods:affiliation>Bolus Herbarium, Biological Sciences Department, University of Cape Town, Private Bag X 3, Rondebosch 7700, South Africa & Center for Biodiversity and Conservation, Department of Biology, Faculty of Natural and Applied Sciences, P. M. B. 2218, Umaru Musa Yaradua University, Katsina, Katsina State, Nigeria</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Muasya, A. Muthama</mods:namePart>
|
||
<mods:affiliation>Bolus Herbarium, Biological Sciences Department, University of Cape Town, Private Bag X 3, Rondebosch 7700, South Africa</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>PhytoKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2018</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2018-05-30</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>99</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>93</mods:start>
|
||
<mods:end>99</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.99.24765</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.99.24765</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-99-93</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">7E04FFF0FF80FF99FFD9FF8FFFF2FF91</mods:identifier>
|
||
<mods:identifier type="Zenodo-Dep">1284659</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="182225107" LSID="urn:lsid:plazi:treatment:E4491E23D287527981981A89FBAEC6B3" httpUri="http://treatment.plazi.org/id/E4491E23D287527981981A89FBAEC6B3" lastPageNumber="93" pageId="0" pageNumber="93">
|
||
<subSubSection pageId="0" pageNumber="93" type="nomenclature">
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<taxonomicName LSID="E4491E23-D287-5279-8198-1A89FBAEC6B3" authority="C. H. Stirt., A. Bello & Muasya" authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Fabaceae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae" status="sp. nov.">Psoralea forbesiae C.H.Stirt., A.Bello & Muasya</taxonomicName>
|
||
<taxonomicNameLabel pageId="0" pageNumber="93">sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="reference_group">
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<taxonomicName authority="Stirton & Bello & Muasya, 2018" authorityName="Stirton & Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Fabaceae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus" status="sp. nov.">Psoralea</taxonomicName>
|
||
sp. 15, Stirton & Schutte in Manning & Goldblatt, Strelitzia 29: 574 (2012).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="diagnosis">
|
||
<paragraph pageId="0" pageNumber="93">Diagnosis.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Similar to
|
||
<taxonomicName lsidName="P. axillaris" pageId="0" pageNumber="93" rank="species" species="axillaris">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. axillaris</emphasis>
|
||
</taxonomicName>
|
||
L., but differs in being a resprouter with numerous shoots emerging from a woody rootstock; older plants producing a cluster of shoots (burst-branching) at the ends of the previous
|
||
<normalizedToken originalValue="seasons’">seasons'</normalizedToken>
|
||
terminal shoots giving an untidy habit (versus a much-branched reseeder with single stem, never with burst branching); stems coarsely fissured and greyish with age (versus furrowed, heavily lenticelled and brownish); leaves 3-foliolate; leaflets partially conduplicate, linear-oblong, with raised crater-like glands and scarcely visible veins (versus leaves 3-5-foliolate; flat, lanceolate, distinctly veined with small sunken glands); lateral leaflets symmetrical, 2-3 mm broad (versus lateral leaflets asymmetrical, 3-8 mm. broad); flowers well exerted from leaves, mauve to pale lavender, wings white (versus mostly hidden within leaves, mauve to purple with purple veins, wings mauve); standard white to pale mauve and with a single purple vertical flash plus a few shorter darker veins towards base of standard, apex greenish on front and back (versus mauve with strongly purple veins and violet basal patch, apex not greenish on front and back); wing petals flared outwards (versus wing petals held vertically).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<typeStatus>Type</typeStatus>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<materialsCitation collectingDate="2011-11-24" collectorName="Stirton, Muasya" country="SOUTH AFRICA" elevation="1417" latitude="-33.353306" location="Gamkaskloof" longLatPrecision="1" longitude="21.942305" municipality="Swartberg Pass - Prince Albert Road" specimenCount="1" stateProvince="Western Cape Province" typeStatus="Holotype">
|
||
<collectingCountry name="South Africa">SOUTH AFRICA</collectingCountry>
|
||
,
|
||
<collectingRegion country="South Africa" name="Western Cape">Western Cape Province</collectingRegion>
|
||
,
|
||
<quantity metricMagnitude="4" metricUnit="m" metricValue="1.25" unit="km" value="12.5">12.5 km</quantity>
|
||
from
|
||
<collectingMunicipality>Swartberg Pass - Prince Albert Road</collectingMunicipality>
|
||
to
|
||
<location LSID="urn:lsid:plazi:treatment:E4491E23D287527981981A89FBAEC6B3:1C92263B1F128F046A8D524C1DF0F1D6" country="SOUTH AFRICA" latitude="-33.353306" longLatPrecision="1" longitude="21.942305" municipality="Swartberg Pass - Prince Albert Road" name="Gamkaskloof" stateProvince="Western Cape Province">Gamkaskloof</location>
|
||
,
|
||
<geoCoordinate degrees="33" direction="south" minutes="21" orientation="latitude" precision="1" seconds="11.9" value="-33.353306">33°21'11.9"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="21" direction="east" minutes="56" orientation="longitude" precision="1" seconds="32.3" value="21.942305">21°56'32.3"E</geoCoordinate>
|
||
,
|
||
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.4169999999999998" unit="m" value="1417.0">
|
||
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.4169999999999998" unit="m" value="1417.0">1417 m</elevation>
|
||
</quantity>
|
||
,
|
||
<collectingDate value="2011-11-24">24 November 2011</collectingDate>
|
||
, flowering,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">
|
||
<collectorName>Stirton</collectorName>
|
||
&
|
||
<collectorName>Muasya</collectorName>
|
||
13279
|
||
</emphasis>
|
||
(
|
||
<typeStatus>Holotype</typeStatus>
|
||
: BOL!)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="description">
|
||
<paragraph pageId="0" pageNumber="93">Description.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Tall densely branched shrubs to 2.5 m, resprouter, bluish-green, most parts covered in small crater-like glands; mature plants can be hemispherical.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Stems</emphasis>
|
||
many, green turning bluish- green to brown with age, coarsely fissured, older plants produce burst branching at the ends of previous season's seasonal shoots giving an untidy habit; seasonal shoots glaucous, glabrous, densely covered in small raised crateriform glands.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Leaves</emphasis>
|
||
pinnately 3-foliolate, yellowish-green, semi-conduplicate, semi-succulent, glabrous, crowded at the end of bare branches on older stems or distributed along short branches on young shoots, petiolate.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Stipules</emphasis>
|
||
triangular, short, straight, stiff, erect, fused near their base, glabrous, glandular, rapidly senescent, persistent, shorter than petiole.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Leaflets</emphasis>
|
||
linear-oblong, symmetrical, glabrous, bluish-green; apex acute, tip deflexed, terminal leaflets 20-30
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.4-3.0 mm, laterals (12) 15-24
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.5-3.0 mm, petioles (7) 10-11 mm long; rachis 2-5 mm long, small, terminal leaflet longest.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Inflorescences</emphasis>
|
||
axillary, borne in upper axils of seasonal shoots, 1 (2) flowers per axil, pedunculate, pedicel 4-5 mm long, shorter than calyx tube; peduncles rigid, 26-35 mm long, longer than the subtending leaf; cupulum terminal, 3-fid, teeth equal, triangular, minute, warty, glabrous, 1.7-1.8 mm long.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Flowers</emphasis>
|
||
8-11 mm long, white to pale mauve, held above the foliage.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Calyx</emphasis>
|
||
5-8 mm long; ribbed, densely glandular, glands smaller on triangular teeth; lobes equally developed, shorter than the calyx tube, glabrous, carinal lobe slightly wider; ribs and tube sometimes flushed purple.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Standard</emphasis>
|
||
7-8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
10-11 mm, white or pale mauve fading towards margins, with a purple vertical flash tapering to the apex and some basal veins purplish, apex greenish on front and back.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Wing petals</emphasis>
|
||
8-11
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
4-5 mm, white, tips sometimes pale lavender, longer than keel, blade flared outwards, sculpturing present.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Keel</emphasis>
|
||
7-8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
4 mm, white but apically suffused with dark violet-purple on inner apex. Pistil stipitate, ovary glabrous but sparsely covered in club-shaped glands, style glabrous, curved upwards, thickened at point of flexure.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Fruits</emphasis>
|
||
1-seeded, papery, enclosed within calyx, surface reticulate.
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Seeds</emphasis>
|
||
black (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Psoralea forbesiae C. H. Stirt., A. Bello & Muasya: A front view of flower B Fruiting calyces C Side view of flower D Habit E Back of standard F Stipule G Fruiting calyx H Leaf I Stem. Photographs by Charles Stirton and Abubakar Bello. Voucher Stirton & Muasya 13279 (BOL)." figureDoi="10.3897/phytokeys.99.24765.figure1" httpUri="https://binary.pensoft.net/fig/206429" pageId="0" pageNumber="93">1</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="distribution">
|
||
<paragraph pageId="0" pageNumber="93">Distribution, habitat and ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<taxonomicName authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea forbesiae</emphasis>
|
||
</taxonomicName>
|
||
is a locally common species known only from the mid- to upper altitudes on the southern slopes and plateau of the Swartberg Mountains of the Western Cape Province (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. The geographical distribution of Psoralea forbesiae (white circles)." figureDoi="10.3897/phytokeys.99.24765.figure2" httpUri="https://binary.pensoft.net/fig/206431" pageId="0" pageNumber="93">2</figureCitation>
|
||
). It occurs in seepages, gulleys and along streams in mountain fynbos between 1200-1700 m (a.s.l.). It is restricted to the South Swartberg Sandstone Fynbos and North Swartberg Sandstone Fynbos vegetation types (FFs 23 & FFs 24) (
|
||
<bibRefCitation author="Mucina, L" journalOrPublisher="Strelitzia" pageId="0" pageNumber="93" pagination="1 - 807" refId="B8" refString="Mucina, L, Rutherford, MC, 2006. The Vegetation of South Africa, Lesotho, and Swaziland. Strelitzia 19: 1 - 807" title="The Vegetation of South Africa, Lesotho, and Swaziland." volume="19" year="2006">Mucina and Rutherford 2006</bibRefCitation>
|
||
). It forms part of an introgressive hybrid swarm with
|
||
<taxonomicName lsidName="P. sordida" pageId="0" pageNumber="93" rank="species" species="sordida">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. sordida</emphasis>
|
||
</taxonomicName>
|
||
on the flanks of the road leading up the southern slopes of the Swartberg Pass (
|
||
<bibRefCitation author="Bello, A" journalOrPublisher="South African Journal of Botany" pageId="0" pageNumber="93" refId="B3" refString="Bello, A, Stirton, CH, Chimphango, SBM, Muasya, AM, 2018. Morphological evidence for introgressive hybridization in the genus Psoralea L. (Psoraleeae, Fabaceae). South African Journal of Botany." title="Morphological evidence for introgressive hybridization in the genus Psoralea L. (Psoraleeae, Fabaceae). South African Journal of Botany." year="2018">Bello et al. 2018</bibRefCitation>
|
||
). The flowers are visited by black Megachilid and Xylocopid bees.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="phenology">
|
||
<paragraph pageId="0" pageNumber="93">Phenology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">Flowering takes place between November and March.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="etymology">
|
||
<paragraph pageId="0" pageNumber="93">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
The specific epithet
|
||
<taxonomicName authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea forbesiae</emphasis>
|
||
</taxonomicName>
|
||
honours Scottish born Helena Madelain Lamond Forbes (1900-1959) who immigrated to South Africa with her parents when young. She worked at the National Herbarium in Pretoria, visited Kew Gardens for one year and ended up as the Curator of the Natal Herbarium (NH). She wrote local floras of Isipingo and Malvern districts in Natal but is best known for her revisions of
|
||
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Tephrosia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Tephrosia" order="Fabales" pageId="0" pageNumber="93" phylum="Magnoliophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Tephrosia</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Stirton & Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea</emphasis>
|
||
</taxonomicName>
|
||
in South Africa (see
|
||
<bibRefCitation author="Gunn, M" journalOrPublisher="Balkema, Cape Town" pageId="0" pageNumber="93" refId="B6" refString="Gunn, M, Codd, LEW, 1981. Botanical Exploration of Southern Africa. A.A. Balkema, Cape Town" title="Botanical Exploration of Southern Africa. A. A." year="1981">Gunn and Codd 1981</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Glen, HF" journalOrPublisher="South African National Biodiversity Institute, Pretoria" pageId="0" pageNumber="93" refId="B5" refString="Glen, HF, Germishuizen, G, 2010. Botanical Exploration of Southern Africa (2nd edn). Strelitzia 26. South African National Biodiversity Institute, Pretoria" title="Botanical Exploration of Southern Africa (2 nd edn). Strelitzia 26." year="2010">Glen and Germishuizen 2010</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="preliminary conservation status">
|
||
<paragraph pageId="0" pageNumber="93">Preliminary conservation status.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
More information is needed to evaluate the conservation status of this species as it is part of an introgressive hybrid swarm with
|
||
<taxonomicName lsidName="P. sordida" pageId="0" pageNumber="93" rank="species" species="sordida">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. sordida</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Bello, A" journalOrPublisher="South African Journal of Botany" pageId="0" pageNumber="93" refId="B3" refString="Bello, A, Stirton, CH, Chimphango, SBM, Muasya, AM, 2018. Morphological evidence for introgressive hybridization in the genus Psoralea L. (Psoraleeae, Fabaceae). South African Journal of Botany." title="Morphological evidence for introgressive hybridization in the genus Psoralea L. (Psoraleeae, Fabaceae). South African Journal of Botany." year="2018">Bello et al. 2018</bibRefCitation>
|
||
). Based on the IUCN Red List Categories and Criteria guidelines the new species is treated as "Data Deficient (DD)" (
|
||
<bibRefCitation author="IUCN" journalOrPublisher="Balkema, Cape Town" pageId="0" pageNumber="93" refId="B7" refString="IUCN, 2012. IUCN Red List Categories and Criteria: Version 3.1 (2nd edn). IUCN, Gland, Switzerland and Cambridge, UK." title="IUCN Red List Categories and Criteria: Version 3.1 (2 nd edn). IUCN, Gland, Switzerland and Cambridge, UK." year="2012">IUCN 2012</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="related species">
|
||
<paragraph pageId="0" pageNumber="93">Related species.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<taxonomicName authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea forbesiae</emphasis>
|
||
</taxonomicName>
|
||
is part of the
|
||
<taxonomicName class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea verrucosa" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="verrucosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea verrucosa</emphasis>
|
||
</taxonomicName>
|
||
complex with special affinities to
|
||
<taxonomicName lsidName="P. triflora" pageId="0" pageNumber="93" rank="species" species="triflora">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. triflora</emphasis>
|
||
</taxonomicName>
|
||
Thunb. and
|
||
<taxonomicName lsidName="P. verrucosa" pageId="0" pageNumber="93" rank="species" species="verrucosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. verrucosa</emphasis>
|
||
</taxonomicName>
|
||
Willd. It has been confused in the past with
|
||
<taxonomicName lsidName="P. verrucosa" pageId="0" pageNumber="93" rank="species" species="verrucosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. verrucosa</emphasis>
|
||
</taxonomicName>
|
||
and usually named as that species. However,
|
||
<taxonomicName lsidName="P. verrucosa" pageId="0" pageNumber="93" rank="species" species="verrucosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. verrucosa</emphasis>
|
||
</taxonomicName>
|
||
is an allopatric species from the Cederberg region (versus Swartberg Mountains), with glaucous and prominently warty stems and leaves (versus bluish-green stems and leaves covered in small raised crateriform glands) and multi-flowered pedunculate inflorescences (versus single-flowered axillary inflorescences).
|
||
<taxonomicName class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea triflora" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="triflora">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea triflora</emphasis>
|
||
</taxonomicName>
|
||
is an allopatric lowland coastal species of shorter stature (<1.5 m) and differs from
|
||
<taxonomicName lsidName="P. forbesiae" pageId="0" pageNumber="93" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. forbesiae</emphasis>
|
||
</taxonomicName>
|
||
in its flat, 1.0-1.7 mm broad, keeled leaflets with impressed glands (versus semi-conduplicate 1.4-3.0 mm broad leaflets densely covered in small raised crateriform glands); peduncles 10-15 mm long (versus peduncles 26-35 mm); and with mauve standards with purple veins, prominent central purple flash and nectar guide, back purple (versus standard white to pale mauve with a single purple vertical flash plus a few shorter darker veins towards base of standard, white with apex greenish on front and back). It is difficult to name some material belonging to
|
||
<taxonomicName lsidName="P. forbesiae" pageId="0" pageNumber="93" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">P. forbesiae</emphasis>
|
||
</taxonomicName>
|
||
in the Swartberg Mountains owing to the presence of an introgressive swarm there.
|
||
<taxonomicName authorityName="C.H.Stirt. & Muasya" authorityYear="2017" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea sordida" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="sordida">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea sordida</emphasis>
|
||
</taxonomicName>
|
||
, with which it hybridises, is a lanky 1-2-stemmed shrub with erect short virgate branches in its upper parts (versus many-stemmed, densely branched large shrubs tending to hemispherical in shape); with digitately (3)5(7)-foliolate glabrous green leaves with sunken glands (versus pinnately 3-foliolate bluish green leaves with raised crateriform glands); leaflets linear-lanceolate, 0.2-0.3 mm wide (versus leaflets linear-oblong, 1.5-3.0 mm wide); 3-flowered axillary inflorescences shorter than the subtending leaves with stout and rigid 2-4 mm long peduncles (versus 1(2)-flowered inflorescences longer than the subtending leaves, with filiform and 26-35 mm long peduncles); and calyx lobes equally developed (versus unequally developed).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="93" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="93">Specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Cement bridge across river just west of Bothashoek in Groot Swartberg Mountains, (3321CB),
|
||
<date value="2015-03-10">10 March 2015</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Du Preez 29</emphasis>
|
||
(BOL).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Top of Swartberg Pass, Swartberg Mountains (3322AC),
|
||
<date value="1978-12-10">10 December 1978</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Stirton 10308, 10331</emphasis>
|
||
(PRE).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Swartberg Pass, Swartberg Mountains (3322AC),
|
||
<date value="2014-02-17">17 February 2014</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Bello, Stirton, Muasya & Chimphango 182, 207, 208, 209, 223, 224, 225, 226, 227</emphasis>
|
||
(BOL).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.6" unit="km" value="1.6">1.6 km</quantity>
|
||
from Swartberg Pass - Prince Albert Road to Gamkaskloof, (3322AC),
|
||
<date value="2011-02-24">24 February 2011</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Stirton & Muasya 13272</emphasis>
|
||
(BOL).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
Bassonsrust, Upper Cango Valley, (3322AC),
|
||
<date value="1975-03-29">29 March 1975</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Moffet 672</emphasis>
|
||
(NBG).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<quantity metricMagnitude="3" metricUnit="m" metricValue="8.0" unit="km" value="8.0">8 km</quantity>
|
||
from Prince Albert - Oudtshoorn road to Die Hel, (3322AC),
|
||
<date value="2008-01-01">1 January 2008</date>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Muasya & Stirton 3592</emphasis>
|
||
(BOL).
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1284673" doi="10.3897/phytokeys.99.24765.figure1" httpUri="https://binary.pensoft.net/fig/206429" pageId="0" pageNumber="93" start="Figure 1" startId="F1">
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<emphasis bold="true" pageId="0" pageNumber="93">Figure 1.</emphasis>
|
||
<taxonomicName authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea forbesiae</emphasis>
|
||
</taxonomicName>
|
||
C.H.Stirt., A.Bello & Muasya:
|
||
<emphasis bold="true" pageId="0" pageNumber="93">A</emphasis>
|
||
front view of flower
|
||
<emphasis bold="true" pageId="0" pageNumber="93">B</emphasis>
|
||
Fruiting calyces
|
||
<emphasis bold="true" pageId="0" pageNumber="93">C</emphasis>
|
||
Side view of flower
|
||
<emphasis bold="true" pageId="0" pageNumber="93">D</emphasis>
|
||
Habit
|
||
<emphasis bold="true" pageId="0" pageNumber="93">E</emphasis>
|
||
Back of standard
|
||
<emphasis bold="true" pageId="0" pageNumber="93">F</emphasis>
|
||
Stipule
|
||
<emphasis bold="true" pageId="0" pageNumber="93">G</emphasis>
|
||
Fruiting calyx
|
||
<emphasis bold="true" pageId="0" pageNumber="93">H</emphasis>
|
||
Leaf
|
||
<emphasis bold="true" pageId="0" pageNumber="93">I</emphasis>
|
||
Stem. Photographs by Charles Stirton and Abubakar Bello. Voucher
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Stirton & Muasya 13279</emphasis>
|
||
(BOL).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1284675" doi="10.3897/phytokeys.99.24765.figure2" httpUri="https://binary.pensoft.net/fig/206431" pageId="0" pageNumber="93" start="Figure 2" startId="F2">
|
||
<paragraph pageId="0" pageNumber="93">
|
||
<emphasis bold="true" pageId="0" pageNumber="93">Figure 2.</emphasis>
|
||
The geographical distribution of
|
||
<taxonomicName authorityName="C. H. Stirt., A. Bello & Muasya" authorityYear="2018" class="Magnoliopsida" family="Leguminosae" genus="Psoralea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Psoralea forbesiae" order="Fabales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="forbesiae">
|
||
<emphasis italics="true" pageId="0" pageNumber="93">Psoralea forbesiae</emphasis>
|
||
</taxonomicName>
|
||
(white circles).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |