Stanhopea pulla Rchb. f. 1877 SUBGENUS Stanhopeastrum
Photo by Dick Hartley Foxdale Orchids
to 
Common Name The Dark Stanhopea
Flower Size 1 to 1 1/4" [2.5 to 3 cm] smallest in genus
Found in Costa Rica, Panama and Colombia in tropical, wet, lowland rain forests at elevations of 100 to 1000 meters as a medium sized, hot to warm growing epiphyte with ovoid to pyriform, sulcate pseudobulbs with fibery, basal bracts with a single, apical, elliptic, plicate, ribbed, gradually narrows below into the elongate, petiolate base leaf that blooms in the fall on a lateral across the media and then pendant, to 2 1/2" [6.5 cm] long, racemose inflorescence arising on a mature pseudobulb as a new growth appears, subtended by inflated, triangular bracts and has 2 [only S ecornuta and S cirrhata and this one have 2 flowers of the Costa Rican species but this one has the smallest], small [one of the smallest of the genus], fragrant lemon lime, minty to citrus scented flowers.
References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae Vol 3 Reichenbach 1878 drawing fide; The Orchids of Panama L.O. Williams & P Allen 1946; AOS Bulletin Vol 29 No 8 1960 photo fide; AOS Bulletin Vol 31 No 9 1962 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 38 no 3 1974 photo fide; Icones Planetarum Tropicarum Plate 1593 Atwood 1983 drawing fide; Native Colombian Orchids Vol 4 COS 1992 photo fide; Orchid Digest Vol 57 No 1 1993 photo fide; Schlechteriana Vol 4 No 1/2 1993 photo fide; Native Colombian ORchids Vol 6 COS 1998 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 37/38 pg 2309 - 2436 Brieger 1999 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing fide; Caesiana Vol 22 Stanhopea Part 2 Jenny 2004 drawing/photo fide; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo fide; Australian Orchid Review Vol 73 No 4 2008 photo; AOS Bulletin Vol 80 #6 2011 pollinia only photo fide; Orchid Digest Vol 80 #2 2016; AOS Bulletin Vol 85 #5 2016 photo fide;
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