Oncidium edwallii Cogn. 1905 SECTION Paucituberculata Photo by Neville DeLaRue

Common Name Edwall's Oncidium [Swedish Orchid Collector]

Flower Size 1/2" [1.5 cm]

This small, warm to cool growing epiphytic species occurs in the Serra do Mar of Sao Paulo State Brazil in hot humid lowlands of the coast and interior marshlands has rounded, sharply laterally compressed, ancipitous psuedobulbs partially enveloped basally by several pairs of distichous, imbricating, leaflike sheaths and carrying an apical, single, narrowly oblong, leathery, acute, slightly conduplicate at the base leaf and carries a basal, arcuate, 4" to 12" [10 to 30 cm] long, paniculate, few to many flowered inflorescence arising on a newly matured pseudobulb.that occurs in the spring.

Synonyms Epidendrum monophyllum Vell. 1831

References W3 Tropicos, Kew Monocot list , IPNI ; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 2 Koniger 2005; The Pictoral Encyclopedia of Oncidium Zelenko 2002

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