Pleurothallis marthae Luer & R. Escobar 1996 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859
Photo by © Eric Hunt
Photo courtesy of Patricia Harding
TYPE Drawing by © Carl Luer
to 
Common Name Martha's Pleurothallis [Sra Martha Posada de Robledo Colombian cultivator of species]
Flower Size 2" [5cm]
Found in Valle de Cauca department of Colombia as a large sized [one of the largest of the genus], cold growing, caespitose epiphyte with elongated, stout, erect stems carrying a single, apical spreading, thick, broadly ovoid leaf that blooms in the spring and summer and on a fascile, that arises from the base of the leaf, arising on both old and new leaves, peduncle .4 to .6" [1 to 1.5 cm] long, single, simultaneously few flowered inflorescence with a tubular, as long as the pedicel floral bract and holding the flower close to the leaf.
A giant species that has broadly, deeply cordate leaves and carries a few flowered fascile of large showy, gaping rose colored flowers with broad spiculate petals with rouned apices, and a tranverse, convex, rugose-verrucose lip. Differs from the closely related P imperialis by the petals and lip which are smooth.
Synonyms Acronia marthae [Luer & Escobar] Luer 2005
References W3 Tropicos, Kew Monocot list , IPNI ;
* Orquideología 20: 68 Luer & R. Escobar 1996 Photo NOT/drawing fide;
Native Colombian Orchids Vol 3 COS 1991 photo fide;
Orchid Australia Vol 12 No 5 2000 photo;
Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2005 as Acronia marthae
Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2005 as Acronia marthae drawing fide;
AOS Bulletin Vol 75 No 11 2006 photo fide;
An Illustrated Field Guide to the Orchids of the Yotoco Forest Reserve Colombia Kolanowska, Escobar, Sanchez & Szlachetko 2011 as Zosterophyllanthes marthae drawing/photo fide;
LANKESTERIANA 13(3) 2014 photo fide;
Orchid Digest Vol 79 #3 2015 photo fide;
AOS Bulletin Vol 86 # 1 2017 photo fide;
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