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.

to

Common Name The Golden-Yellow Oncidium

Flower Size 3/4" [2 cm]

Found in Venezuela and Valle de Cauca Colombia 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 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 Foldats Volumen XV Part 5 1970; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; Orquideologia Vol. 23 No 2 2004; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 1 Koniger 2004; An Illustrated Field Guide to the Orchids of the Yotoco Forest Reserve Colombia Kolanowska, Escobar, Sanchez & Szlachetko 2011 drawing/photo fide

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

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