Onc. riograndense photo by Dalton Baptista

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Orchid Species: Gomesa riograndensis

(This name is currently accepted by Kew.)

Gomesa riograndensis is an orchid species identified by (Cogn.) M.W.Chase & N.H.Williams in 2009.
Genus
Gomesa (Gom.)
Grex
riograndensis
(name currently accepted by Kew)
Parents
Species
Author
(Cogn.) M.W.Chase & N.H.Williams
Year
2009
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ORIGIN: Found in Espirito Santo, Rio de Janeiro and Sao Paulo states of Brazil and northeastern Argentina at elevations of 300 meters.

DESCRIPTION: Small sized, warm to cool growing epiphyte with elongate elliptical to cylindrical smooth pseudobulbs partially enveloped basally by a few pairs of dry, thin, leafless bracts and carrying 2 apical, narrowly elliptic, acute, shortly condplicate below into the petiole-like base that blooms in the late spring on an axillary, ascending to arcuate spreading, paniculate, short, slender, arching, branched, 12 + [30 cm] long, many flowered inflorescence arising on a mature pseudobulb through the dry sheath.

FLOWER SIZE: 3/4 inch [2 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Baptistonia Bapt cassolana 2004 (V.P.Castro & Campacci) Chiron & V.P.Castro
Add+ Oncidium Onc cassolanum 2001 V.P.Castro & Campacci
Add+ Oncidium Onc riograndense 1906 Cogn. in C.F.P.von Martius & auct. suc. (eds.)
Add+ Oncidium Onc riograndensis
Add+ Baptistonia Bapt riograndense 2004 (Cogn.) Chiron & V.P.Castro
Most awarded/recent cultivars: Onc. riograndense 'Vera Cruz' (1994)
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