Odontoglossum armatum Rchb. f. 1877 SUBGENUS Odontoglossum Photo by Pieter C. Brouwer and his Nature Photo Website

Another Inflorescence Photo courtesy of Lourens Grobler


Common Name The Armed Odontoglossum

Flower Size 2" [5 cm]

Found in cold, wet, montane cloud forests of Colombia, Ecuador and Peru as a small sized, cold growing epiphyte at elevations of 2300 to 3500 meters with a rhizome enveloped by imbricating, scarious bracts giving rise to ovoid-pyriform, compressed, ancipitous pseudobulbs enveloped by imbricating pairs of bracts with the uppermost leaf-bearing, a single, apical, linear-oblanceolate, acute, thin, attenuate to a strongly conduplicate, petiolate base leaves that blooms in the summer on an axillary, 6 1/4" [16 cm] long, erect to arcuate, 4 to 6 flowered, racemose or paniculate inflorescence with 1 to 2 tubular, green bracts arising on a newly maturing pseudobulb, that is longer than the leaves occurring in the fall.

The second photo is absolutely correct, the first is iffy.

Synonyms Oncidium armatum [Rchb.f] Chase & NH Wms. 2008

References W3 Tropicos, Kew Monocot list IPNI ; Icones Planetarum Tropicarum plate 944 Dodson 1984 drawing fide; Icones Orchidacearum Peruviarum Plate 126 Bennett & Christenson 1993 Drawing ok; AOS Bulletin Vol 65 No 1 1996 photo fide; AOS Bulletin Vol 65 No 3 1996 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; Native Colombian Orchids Vol 6 COS 1998 photo fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 drawing/photo fide to second photo; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 77 No 12 2008 as Oncidium armatum; Orchid Species of Peru Zelenko Bermudez 2009 photo fide