Oncidium chrysomorphum Lindl. 1855 SECTION Oblongata
Photo by © Lourens Grobler
Photo courtesy of Eric Hunt, plant grown by the San Francisco Conservatory of Flowers.
Drawing by © Willibald Koniger
to 
Common Name The Golden-Yellow Oncidium
Flower Size .8" [2 cm]
Found in Venezuela and Santander, Antioquia and Valle de Cauca department of Colombia and Carchi province of Ecuador in wet premontane and montane forests at elevations 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 as Oncidium chrysomorphum; Atlas des Orchidees Cultivees Constantin 1920 as Oncidium chrysomorphum 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 as Oncidium chrysomorphum; 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 as Oncidium chrysomorphum; Flora de Venezuela Volumen XV Part 5 Foldats 1970 as Oncidium chrysomorphum; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as Oncidium chrysomorphum photo fide; Orquideologia Vol. 23 No 2 2004 as Oncidium chrysomorphum; Oncidium Vol 1 Koniger 2004 as Oncidium chrysomorphum drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006 as Oncidium chrysomorphum; Orquideologia Vol 27 #2 2010 as Oncidium chrysomorphum photo fide; An Illustrated Field Guide to the Orchids of the Yotoco Forest Reserve Colombia Kolanowska, Escobar, Sanchez & Szlachetko 2011 as Oncidium chrysomorphum drawing/photo fide; Orquideas de Farallones de Cali Galindo-Tarazona, Haelterman, Zuluaga Trochez and Sebastian Moreno 2020 as Oncidium chrysomorphum photo fide; The Odontoglossum Story Dalstrom, Higgins & Deburghgraeve 2020 photo/drawing fide
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