<p>SUBGENUS <i>Sigmatopetalum</i> SECTION <i>Blepharopetalum</i><br>
Distribution: Pen. Thailand to N. Sumatera (41 THA 42 MLY SUM)<br>
Lifeform: Hemicr.
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<ul><li><b><a href="https://en.wikipedia.org/wiki/en:Basionym" class="extiw" title="w:en:Basionym"><span title="scientific name on which another scientific name is based (ICNafp)">Basionym</span></a></b>
<ul><li><i>Cypripedium barbatum</i> <style data-mw-deduplicate="TemplateStyles:r369756387">.mw-parser-output .smallcaps{font-variant:small-caps}</style><span class="smallcaps">Lindl.</span>, Edwards's Bot. Reg. 27(Misc.): 53 (1841)</li></ul></li>
<li><b>Homotypic synonyms</b>
<ul><li><i>Cordula barbata</i> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r369756387"><span class="smallcaps">Lindl.</span>) <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r369756387"><span class="smallcaps">Rolfe</span>, Orchid Rev. 20: 2 (1912)</li></ul></li>
<li><b>Heterotypic synonyms</b>
<ul><li><i>Cypripedium purpuratum</i>  Wight, Icon. Pl. Ind. Orient.: t. 1760 (1851)</li>
<li><i>Cypripedium nigritum</i>  Rchb.f., Gard. Chron. 1882(2): 102 (1882)</li>
<li><i>Cypripedium warnerianum</i>  Rchb.f. ex Wittm., Berliner Allg. Gartenzeitung 1883: 375 (1883)</li>
<li><i>Paphiopedilum nigritum</i>  (Rchb.f.) Pfitzer, Bot. Jahrb. Syst. 19: 40 (1894)</li>
<li><i>Paphiopedilum barbatum</i> var. <i>nigritum</i>  (Rchb.f.) Pfitzer in H.G.A.Engler (ed.), Pflanzenr., IV, 50(12): 92 (1903)</li>
<li><i>Cordula nigrita</i> (Rchb.f.) Rolfe, Orchid Rev. 20: 2 (1912)</li></ul></li></ul>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/25064784@N00">sunoochi</a> from Sapporo, Hokkaido, Japan
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/snotch/49340349997/">[Borneo] Paphiopedilum barbatum fma. album 'N.Nakamura No.2' (Lindl.) Pfitzer, Jahrb. Wiss. Bot. 19: 159 (1888)</a>