Pleurothallis cordata (Ruiz & Pav.) Lindl. 1830 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859 Photos by Eric Hunt plant grown by Dan Newman of Hanging Gardens

Another Color Form Photo by Eric Hunt, plant grown by the San Francisco Conservatory of Flowers.

Another Color Form

Leaf and Flowers Photo by Jay Pfahl

to

Common Name The Heart-Shaped Pleurothallis

Flower Size .2" [5mm]

Found in Colombia, Venezuela, Ecuador, Peru and Bolivia in wet montane cloud forests at elevations of 500 to 3100 meters as a medium sized, warm to cold growing terrestrial on steep embankments, lithophyte or epiphyte with slender, erect ramicauls with a tubular sheath below the middle and 2 to 3 basal sheaths and carrying a single, apical, erect, coriaceous, elliptical, petiolate, acute, lightly tridentate leaf that blooms in the summer on a short, single flowered inflorescence.

Synonyms Acronia cordata (Ruiz & Pav.) Luer 2005; Acronia cordata subsp. rhopalocarpa (Schltr.) Luer 2005; *Humboltia cordata Ruiz & Pav. 1798; Humboldtia monocardia (Rchb.f.) Kuntze 1891; Humboltia monocardia (Rchb. f.) Kuntze 1891; Pleurothallis cardiophylla Schltr. 1915; Pleurothallis cordifolia var. rhopalocarpa (Schltr.) T.Hashim. 1978; Pleurothallis rhopalocarpa Schltr. 1922; Stelis cordata (Ruiz & Pav.) Willd. 1805; Zosterophyllanthos monocardius ( Rchb.f. ) Szlach. & Margonska 2001; Zosterophyllanthos rhopalocarpus (Schltr.) Szlach. & Kulak 2006

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854; Bonplandia Rchb.f 1855 as P monocardia; Die Orchideen der Sudamerikanischen Kordillerenstaaten V Bolivia Schlechter 1922 as P rhopalocarpa; AOS Bulletin Vol 30 No 5 1961 as P monocardia; Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing good; Flora de Venezuela Foldats Volumen XV Part 2 1970 as P monocardia drawing ok; Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976 not P cordifolia drawing fide; Orchids of Venezuela An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as P cordifolia drawing fide; Icones Planetarum Tropicarum plate 220 Dodson 1980 drawing fide; The Orchids of Surinam Werkhoven 1986 as P monocardia photo close; Icones Icones Pleurothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986; Icones Pleurothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986 as P monocardia; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Orchids of Bolivia Vol 1 Pleurothallidinae Vasquez & Ibisch 2000 photo/drawing fide; Orquideas Nativas del Tachira Cesar Fernandez 2003 photo fide; Macchu Picchu Orchids Eric Christenson 2003 photo fide; Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2005 as Acronia cordata drawing fide; Orchid Species of Peru Zelenko & Bermudez 2009 pg 285 photo fide; Orchid Species of Peru Zelenko & Bermudez 2009 pg 289 photo = P sp; Orquideas de Roirama Luz & Franco 2012 photo ok; Orquideas del Valle de Aburra Medellin Colombia Orqidelogia 2014 photo; Orchids of Tropical America Meisel 2014 photo fide;

Pleurothallis cordifolia var. rhopalocarpa (Schltr.) T.Hashim. 1978 Photo by P. A. Mahon

A color variety of P cordata

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2005 as Acronia cordata var rhopalocarpa; Icones Pleurothallidinarum Vol XXVIII Luer 2006 as Acronia cordata; Orchid Species of Peru Zelenko & Bermudez 2009 as P cardiophylax pg 289 photo fide

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