Oncidium leucochilum Lindley 1837 SECTION Stellata
Photo by © Pieter C. Brouwer and his Photo Website
Photos by © Jay Pfahl
Photos by © Weyman Bussey
or 
Common Name White-Lipped Oncidium
Flower Size 1 1/4" [3 cm]
Found in Mexico, Guatemala and Honduras on trees in dry or humid forests up to an elevation of 2000 meters as a large sized, cool growing epiphyte with ovoid to ovoid ellipsoid, compressed, 2 to 3 ribbed on each side pseudobulbs subtended by several scarious sheaths and carrying 2, apical, ligulate, coriaceous, conduplicate at the base, obtuse leaves that blooms sometime in the spring through fall only once with an axillary, 1 to 12' [30 to 360 cm] long, many flowered panicle arising on a mature pseudobulb from the axils of the sheath with 7 to 10, well spaced branches with 2 to 5, variable sized, waxy, longlasting, spicely fragrant flowers each.
Synonyms Cyrtochilum leucochilum (Bateman ex Lindl.) Planch. 1849; Oncidium digitatum Lindley 1842; Oncidium polychromum Scheidw. 1844
References W3 Tropicos, Kew Monocot list , IPNI ; Symbolae Antillanae Vol VI Orchidaceae Urban 1909; Flora of Jamaica Fawcett & Rendle 1910; Die Orchideen Schlechter 1915; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium polychromium; AOS Bulletin Vol 26 No 7 1957 photo fide; AOS Bulletin Vol 30 No 9 1961; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 37 No 7 1968 photo fide; AOS Bulletin Vol 39 No 6 1970 photo fide; Orchid Digest Vol 44 No 2 1980; AOS Bulletin Vol 52 No 3 1983 photo FIDE; An Introdution to the Orchids of Mexico Wiard 1987 photo fide; AOS Bulletin Vol 60 No 1/39-43 1991 drawing fide; AOS Bulletin Vol 61 No 5/459 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Orchid Digest Vol 61 #4 1997 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide; Australian Orchid Review Vol 66 No 2 2001 photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002 Oncidium Vol 1 Koniger 2004 drawing/photo fide; ; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 76 #7 2007 photo fide; Orchid Digest Vol 77 #2 2013 photo fide; Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 photo fide; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 photo fide; Orchid Digest Vol 83 #3 2019 photo fide; AOS Bulletin Vol 88 #5 2019 drawingfide;
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