Oncidium isopterum Lindl.1837 SECTION Synsepala



Photos by Amerigo Docha Neto and the Orchidstudium Webpage

Partial Shade Cool

Common Name or Meaning The Equal Winged Oncidium

Flower Size .6" [1.5 cm]

Found in northeastern Minas Gerais state of Brazil as a warm to cool growing terrestrial with small, eggshaped, closely compresssed, ancipitous pseudobulbs enveloped basally by several pairs of opposite, conduplicate, imbricate, leafless and leaf bearing sheaths and carrying 2, oblong-lanceolate, acute, rigid, leathery, gradually narrowing below into the conduplicate base leaves that blooms in the winter on an erect, basal, racemose to paniculate, 8 to 12" [20 to 30 cm] long, many flowered inflorescence that if branched has several wide spaced flowers to each one.

CAUTION Kew and several other references put this species as a synonym of O flexuosum but if the determination above is correec then they are quite different.

Synonyms Ampliglossum isopterum (Lindl.) Campacci 2006; Coppensia isoptera (Lindl.) Campacci 2006;

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing hmm; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing hmm; Orchid Species Culture Odontoglossum/Oncidium Alliance Bakers 2006; AOS Bulletin Vol 76 #8 2007 as Coppensia isopterum; Orchids of Brazil Vol 1 Oncidinae Baptista, Harding & Neto 2011 as Coppensia isoptera photo fide