Oncidium ensatum Lindl. 1842 SECTION Oblongata Photo courtesy of Lourens Grobler.

Inflorescence

Plant in situ Everglades National Park Photo by David R. McAdoo

Part shade Hot WarmLATEWinter to Spring

Common Name The Sword Shaped Oncidium

Flower Size 1" [2.5 cm]

Sorry about the crappy pictures.

Found in Florida, Mexico, Belize, Guatemala, Honduras, Nicaragua and Panama in low altitude, wet forests on rocky slopes at elevations below 1000 meters as a large sized, hot to warm growing epiphyte or terrestrial with compressed, longitudinally ribbed, pale green pseudobulbs enveloped basally by imbricating sheaths with the uppermost being leaf-bearing and carrying 2, apical, erect, linear-ensiform, subcoriaceous, dorsally carinate, conduplicate below into the base leaves that blooms in the late winter and early spring on an axillary, to 6' [2 m] long, arching, paniculate inflorescence arising on a mature pseudobulb.

Plants from the Caribbean attributed to this name are listed under Oncidium floridanum

Synonyms Cyrtopodium verrucosum Griseb. 1866; Oncidium cerebriferum Rchb.f 1852; Oncidium confusum Rchb.f. 1858; Oncidium floridanum Ames 1924

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae Rchb.f 1854 as O cerebriferum drawing; Symbolae Antillanae Vol VI Orchidaceae Urban 1909 as Cyrtopodium verrucosum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium confusum drawing ok; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium cerebriferum; Repert. Sp. Nov. Regni. Veg. Beih. 17: 82. Panama Schlechter 1922 as O cerebriferum; Repert. Sp. Nov. Regni. Veg. Beih. 17: 83. Panama Schlechter 1922 as O confusum; The Orchids of Panama L.O. Williams & P Allen 1946; AOS Bulletin Vol 27 No 6 1958; Encyclopedia of Cultivated Orchids Hawkes 1965; Flora de Venezuela Foldats Volumen XV Part 5 1970; Las Orquedias de El Salvador Vol 3 Hamer 1981 AS Oncidium cerebriferum drawing/photo ok; Icones Planetarum Tropicarum plate 1055 Dodson 1984 drawing fide; Flora Novo-Galaciana Vol 16 McVaugh 1985; Orchid Digest Vol 55 No 4 1991 photo fide; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 2 Koniger 2005; The Pictoral Encyclopedia of Oncidium Zelenko 2002; The Orchids of Cuba Llamacho & Laramendi 2005 see Oncidium floridanum

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