Odontoglossum cruentum Rchb. f. 1870 Photo courtesy of Eric Hunt
to 
Common Name The Blood-Red Odontoglossum
Flower Size 2" [5 cm]
Found in Colombia, Ecuador and Peru in wet montane forests at elevations of 1800 to 2550 meters as a small sized, caespitose, cool to cold growing epiphyte with ellipsoid, complanate, lightly sulcate, pseudobulbs with the base enveloped by several pairs of distichous, imbricating sheaths with the uppermost bearing leaves which are oblong-oblanceolate, shortly attenuate to conduplicate, petiolate, abruptly acuminate leaves with 2 being apical to the pseudobulb that blooms on an axillary, 6 to 7" [15 to 18 cm] long, shorter than the leaves, several [6 to 8] flowered inflorescence that arises on a mature pseudobulb basally erect but with the flowers weight at the end it is pendant to horizontal and occurs in the spring.
Synonyms Odontoglossum hrubyanum Rchb. f. 1888; Oncidium cruentoides Chase & NH Wms. 2008; Oncidium hrubyatoides Chase & NH Wms. 2008
References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1873 drawing fide; Icones Planetarum Tropicarum plate 951 Dodson 1984; Icones Orchidacearum Peruviarum Plate 129 Bennett & Christenson 1993; AOS Bulletin Vol 65 No 1 1996 photo; Native Ecuadorian Orchids Vol 3 Dodson 2002; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 77 No 12 2008 as Oncidium cruentoides; AOS Bulletin Vol 77 No 12 2008 as Oncidium hrubyatoides; Orchid Species of Peru Zelenko Bermudez 2009 photo fide
--------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------