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.

TYPE Drawing

TYPE Drawing by Carl Luer

Full ShadeColdto Cool Summer Fall

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, caespitose epiphyte with erect, slender ramicauls enveloped basally by 3 tubular sheaths and carrying a single, apical, cordate, apically tridentate leaf that blooms in the summer and fall on a single flowered, short inflorescence with a thin, tubular, much shorter than the epedicel floral bract and holding the flower against the leaf base.

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 ;

* Edwards's Bot. Reg. 21: t. 1797 Lindley 1835

AOS Bulletin Vol 36 #9 1967;

Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing ok;

Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 7 385 - 448 Brieger, Maatsch and Senghas 1975 drawing hmm;

Selbyana 3: 112 Luer 1976 drawing fide;

Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing not = P siphoglossa;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Orchids of Bolivia Vol 1 Pleurothallidinae Vasquez & Ibisch 2000 drawing fide/photo good;

Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 Acronia grandiflora

Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 Acronia grandiflora drawing fide;

Orchid Species of Peru Zelenko & Bermudez 2009 photo fide

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