Odontoglossum luteopurpureum Lindl. 1846 SECTION Auriculatum SERIES Cristatum Dalstrom 2020

Photo by Pieter C. Brouwer and his Nature Photo Website

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Another Flower Color Front

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Photos by Jay Pfahl


Common Name or Meaning The Yellow-Purple Odontoglossum

Flower Size 3 to 4" [7.5 to 10 cm]

Found in Andean Colombia in wet cloud forests along road cuts and steep slopes at elevations of 2000 to 3000 meters as a large sized, cold growing epiphyte with robust, oval, compressed pseduobulbs enveloped basally by 5 to 7, distichous, uppermost foliaceous sheaths and carrying 2 apical, rather rigid, ensiform, acute to acuminate, conduolicate below into the subpetiolate base leaves that blooms in at most any time of the year on an erect to lateral, arising from the upper leaf sheaths of a mature pseudobulb, many flowered, to 3 1/2' [105 cm] long, racemose, up to 12 flowered inflorescence with appressed, scale-like, shorter than the ovary floral bracts and carrying large, waxy, faintly fragrant, highly color-variable flowers.

Synonyms Odontoglossum hystrix Bateman 1864; Odontoglossum radiatum Rchb.f. 1865; Oncidium luteopurpureum (Lindl.) Beer 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 as O radiosum drawing good; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #4 1967 photo fide; ; Orchid Digest Vol 34 #5 1970 photo fide; Orquideologia Vol 12 No 3/4 1977/8; Native Colombian Orchids Vol 3 COS 1991 photo fide; Manual of Cultivated Orchids Bechtel, Cribb and Laurent 1992 photo fide; The Illustrated Encyclopedia of Orchids Pridgeon 1992; Manual of Orchids Stewart 1995; AOS Bulletin Vol 65 No 11 1996 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Botanica's Orchids Laurel Glen 2002; Orchid Species Culture: Oncidium Bakers 2006; AOS Bulletin Vol 77 No 11 2008 photo; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007; AOS Bulletin Vol 77 No 11 2008 photo fide; AOS Bulletin Vol 77 No 12 2008 as Oncidium luteopurpureum photo fide; Orquideologia Vol 27 #1 2010 photo Fide; Orquideologia Vol 27 #2 2010 photo fide; AOS Bulletin Vol 79 #7 2010 photo fide; The Odontoglossum Story Dalstrom, Higgins & Deburghgraeve 2020 drawing/photo fide