Pleurothallis grandiflora Lindl. 1835 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859 Photo courtesy of Patricia Harding

Another Plant

Flower Closeup

Side View Of Flower Photo courtesy of Eric Hunt, plant grown by Dan Newman of Hanging Gardens.

Full ShadeColdto CoolFall

Common Name The Large Flowered Pleurothallis

Flower Size 2 1/2" [6.25 cm]

Found in Venezuela, Colombia, Ecuador, Peru and Bolivia in montane forests at elevations of 1100 to 3300 meters as a small sized, cool to cold growing epiphyte with erect, slender ramicauls enveloped basally by 3 tubular sheaths and carrying a single, apical, cordate, apically tridentate leaf that blooms on a single flowered, short inflorescence holding the flower against the leaf base and occuring in the fall.

P grandiflora is similar to P adonis, P deflexa, P linguifera, P millei, P siphoglossa,and P sarcochila in the large sized flowers.

Synonyms Acronia grandiflora Luer 2005; Humboldtia grandiflora (Lindl.) O. Ktz. 1891; Humboltia grandiflora (Lindl.) Kuntze 1891; Zosterophyllanthos grandiflorus ( Lindl. ) Szlach. & Margonska 2001

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1855 as P boliviana; Venezuelan Orchids Vol 4 Dunsterville & Garay 1966 not = P siphoglossa; Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing ok; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970 as P buchtienii; Die Orchideen #7 25-28 tafel 8 Rudolph Schlechter 1971 drawing hmm; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing not = P siphoglossa; Icones Pleurothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986; Orchids of Bolivia Vol 1 Pleurothallidinae Vasquez & Ibisch 2000 drawing fide/photo good; Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2004 Acronia grandiflora drawing fide; Orchid Species of Peru Zelenko & Bermudez 2009 photo fide

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