Oncidium floridanum Ames 1924 SECTION Oblongata Photos courtesy of © Lourens Grobler
Inflorescence Photo courtesy of Danny Lentz, plant grown by Atlanta Botanical Garden
Common Name The Rich-Flowering Oncidium
Flower Size 1" [2.5 cm]
Found in Florida and the Bahamas 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.
References W3 Tropicos, Kew Monocot list IPNI ; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 54 No 4 1985 photo; 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; Oncidium Vol 2 Koniger 2005 photo/drawing as O ensatum; Orchid Species Culture: Oncidium, Bakers 2006; Orchids of Cuba Llamacho & Larimendi 2005 as O ensatum