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

Another Inflorescence Photo courtesy of © Lourens Grobler

to

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, cool to cold growing epiphyte at an elevation of 2300 to 3500 meters with a rhizome enveloped by imbricating, scarious bracts with 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 petiole where it 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.

Synonyms Odontoglossum portmannii var. cohrsiae Bockemühl 1988; Oncidium armatum [Rchb.f] Chase & NH Wms. 2008

References W3 Tropicos, Kew Monocot list IPNI ; Icones Planetarum Tropicarum plate 944 Dodson 1984; Icones Orchidacearum Peruviarum Plate 126 Bennett & Christenson 1993; AOS Bulletin Vol 65 No 1 1996 photo; AOS Bulletin Vol 65 No 3 1996 photo; Native Colombian Orchids Vol 6 COS 1998; Native Ecuadorian Orchids Vol 3 Dodson 2002; 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

------------------------------------------------------------------------------------------------------------------------------------------