Oncidium floridanum Ames 1924 SECTION Oblongata

Photo by Lourens Grobler


Photo by Danny Lentz, plant grown by Atlanta Botanical Garden


Common Name The Rich-Flowering Oncidium

Flower Size 1" [2.5 cm]

Found in Florida, the Bahamas and Cuba occuring in thickets, mangrove swamps and rocky scrubland in damp rocky soil or on cypress knees and at bases of trees in humus as a large sized, hot to cool growing terrestrial or occasional epiphyte with oblong to ovate, laterally compressed, ancipitous pseudobulbs partially enveloped below by 2 to 3 imbricating, leaf-bearing sheaths and carrying 2 to 3 apical, elongate, arching, narrowly-linear to strap-shaped, acute to obtuse, fleshy, leathery, and shortly conduplicate below into the base leaf that blooms in the winter and or spring on an axillary, slender, suberect, loosely branched, paniculate, to 98" [to 250 cm] long, many flowered inflorescence.

Often cited as a synonym of Oncidium ensatum from Mexico through northern South America, we leave it separate here pending better references.


References W3 Tropicos, Kew Monocot list , IPNI ; Encyclopedia of Cultivated Orchids Hawkes 1965; The Native Orchids Of Florida Luer 1972 Drawing/photo fide; AOS Bulletin Vol 44 #8 1975; AOS Bulletin Vol 54 No 4 1985 photo fide; Orchid Digest Vol 55 No 4 1991 photo fide; Fairchild Tropical Garden Bulletin Vol 47 No 2 1992 photo; AOS Bulletin Vol 61 No 10 1992 drawing fide; Oncidium Vol 2 Koniger 2005 as synonym of O ensatum; Orchid Species Culture: Oncidium, Bakers 2006; Orchids of Cuba Llamacho & Larimendi 2005 as O ensatum