Odontoglossum hallii Lindley 1837 SUBGENUS Odontoglossum

Flower Closeup Photo by Pieter C. Brouwer and his Nature Photo Website

Another Clone Photo courtesy of Patricia Harding.

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Common Name Hall's Odontoglossum [English Collector - Ecuador 1800's]

Flower Size to about 4" [to about 10 cm]

This is a medium sized, Colombian, Ecuadorian and Peruvian epiphytic species on small trees or terrestrial in leaf litter that is found in very wet montane cloud forests at altitudes of 1200 to 3000 meters and is a cold to cool growing orchid with clustered, oblong-ovoid to ovoid, compressed, ancipitous pseudobulbs enveloped basally by 2 to 4, distichous, leaf bearing sheaths and carrying 1 or 2 apical, oblong-lanceolate to ligulate, acute leaves that are conduplicate below into a petiole-like stem that blooms in the spring and summer on an basal, arising from the leaf axils, erect to arcuate, to 2' [60 cm] long, racemose or rarely paniculate, few to many [4 to 20] flowered inflorescence arising on a mature pseudobulb with large, variably colored flowers.

Synonyms Odontoglossum chaetostroma Rchb.f ?; Odontoglossum victor Rchb.f 1883; Odontoglossum hallii var. leucoglossum Rchb.f. in ?; Odontoglossum hallii var. xanthoglossum Rchb.f. in ?; Oncidium hallii Beer 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae Rchb.f 1854 drawing fide; Otia Botanica Hamburgensia Rchb.f 1878; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orquideologia Vol 12 No 3/4 1977/8; Icones Planetarum Tropicarum plate 468 Dodson 1982 drawing fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; AOS Bulletin Vol 65 No 7 1996 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo hmm; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; AOS Bulletin Vol 73 No 5 2004 photo fide; AOS Bulletin Vol 74 No 10 2005 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; Orchid Digest Vol 75 #4 2011 as Oncidium hallii Photo fide; Orchid Digest Vol 81 #2 2017 as Oncidium hallii photo fide;