Oncidium obryzatoides Kraenzl. 1922 SECTION Excavata

Another Flower Angle

Another Flower Photo by Pupulin, Used under permission of Epidendra Website CR

Part shade Warm CoolFall to Winter

Common Name The Oncidium Obrysatum-Like Oncidium

Flower Size 1.25" [3 cm]

Found in Costa Rica at elevations of 800 to 1800 meters in open woods and pastures on trunks and main branches as a warm to cool growing epiphyte with ovate, laterally compressed, ancipitous pseudobulbs partially enveloped basally by several pairs of distichous, imbricate leaf-bearing sheaths and carrying a single, apical, erect, oblong-lanceolate leaf that is conduplicate below into an elongate, petiole-like base that blooms in the fall and winter on an axillary, 10 to 36" [20 to 90 cm] long, shortly paniculate, several to many flowered inflorescence with each branch carrying 2 to 4 flowers.

Often cited as a synonym of O obryzatum but differs in the much larger flower with a large, round to sheild shaped, lip base and in the calli.

Synonyms Oncidium brenesii Schltr. 1923; Oncidium calyptostalix Kraenzl. 1922; Oncidium tetraskelidion Kraenzl. 1922

References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium drepanopterum drawing ok; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium tetraskelidion drawing hmm; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium calyptostalix; Repert. Sp. Nov. Regni. Veg. Beih. 19: 257. Costa Rica Schlechter 1923 as O brenesii; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing hmm; Orquideologia Vol. 23 No 2 2004; Orchid Species Culture: Oncidium, Bakers 2006 as Oncidium obryzatum; Oncidium Vol 2 Koniger 2005; The Pictoral Encyclopedia of Oncidium Zelenko 2002

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