Oncidium micropogon Rchb.f 1854 SECTION Barbata
Photos by © Karl Senghas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Photo by © David Jubineau
and
Common Name The Tiny Beard Oncidium
Flower Size 1 3/4" [4 cm]
Found in Para, Maranhao, Piaui, Mato Grosso, Tocantins, Bahia, Espirito Santo, Rio de Janiero, Sao Paulo, Parana, Santa Catarina and Rio Grande do Sul states of Brazil at elevations of 100 to 600 meters from hot lowlands near riverine trees and from cool montane forests that is a small sized, hot to cool growing epiphytic species with broad, ovoid, compressed, 2 to 3 ribbed, psuedobulbs partially enveloped by 2 basal leaf-bearing sheaths and carrying 1 or 2 apical, coriaceous, linear oblong, coriaceous leaves with rounded apices and blooms in the summer and fall on an axillary, arching to pendulous, flexuous, 1 1/2' [30 to 45 cm] long, racemose, few to several [3 to 10] flowered inflorescence with ovate-triangular, acute bracts.
Mount this species on tree fern slabs and give hot to cool temperatures, moderate light and high humidity.
Synonyms Alatiglossum micropogon (Rchb.f.) Baptista 2006; Gomesa micropogon (Rchb.f.) M.W.Chase & N.H.Williams 2009; Oncidium dentatum Klotsch 1855; Oncidium macropetalum Klotzsch 1855; Oncidium macropterum Kl. ?;
References W3 Tropicos, Kew Monocot list , IPNI ; *Bonplandia Rchb.f 1854; Xenia Orchidaceae Rchb.f 1854 drawing fide; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide to the second photo; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide to the first photo; Australian Orchid Review Vol 66 No 2 2001 photo; Oncidium Vol 2 Koniger 2005 drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 76 No 2 2007 as Alatiglossum micropogon photo fide; Orchids of Brazil Vol 1 Oncidinae Baptista, Harding & Neto 2011 as Alatiglossum micropogon photo fide tothe first photo
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