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 Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 as P cordifolia not! photo fide; Orquídea (Méx.) 13(1-2): 301-308.1993 as P monocardia fide; 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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