Oncidium chrysomorphum Lindl. 1855 SECTION Oblongata

Photo by © Lourens Grobler

Another Color Variation

Photo courtesy of Eric Hunt, plant grown by the San Francisco Conservatory of Flowers.

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Common Name The Golden-Yellow Oncidium

Flower Size 3/4" [2 cm]

Found in Venezuela and Valle de Cauca department of Colombia and Ecuador in wet premontane and montane forests at elervations of 900 to 2200 meters as a small sized, warm to cold growing epiphyte and rarely terrestrial with ovoid, compressed, clustered pseudobulbs enveloped by several distichous, imbricating leafless below and leaf-bearing above sheaths carrying 2 to 3 apical, linear, subacute, slightly coriaceous leaves and blooms in the winter and spring on an erect, to 2' [60 cm] long, densly many flowered panicle that branches from the middle, the branches distichously alternate, and each carrying 3 to 8 flowers with spathe like bracts giving rise to fragrant flowers.

Synonyms Odontoglossum chrysomorphum (Lindl.) Dalström & W.E.Higgins 2016; Oncidium dasyanthum Kraenzl. 1922; Oncidium leucotis Rchb.f 1879; Oncidium platybulbon Regel 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as O leucotis drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium dasyanthum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium platybulbon; Encyclopedia of Cultivated Orchids Hawkes 1965; Flora de Venezuela Volumen XV Part 5 Foldats 1970; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Orquideologia Vol. 23 No 2 2004; Oncidium Vol 1 Koniger 2004 drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006; Orquideologia Vol 27 #2 2010 photo fide An Illustrated Field Guide to the Orchids of the Yotoco Forest Reserve Colombia Kolanowska, Escobar, Sanchez & Szlachetko 2011 drawing/photo fide

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