Oncidium riopalenqueanum Dodson 1996 SECTION Oncidium

Photo by © Alex Reynolds and the ORCHIDS of MAQUIPUCUNA Website

Common Name The Palenque River Oncidium

Flower Size .8" [2 cm]

Found in Ecuador at elevations around 20 to 1080 meters as a medium to large sized, hot to warm growing epiphyte with ovoid, flattened pseudobulbs enveloped basally by a few pairs of leaf bearing sheaths and carrying a single, apical, linear, acute, becoming conduplicate below into the petiolate base leaf that blooms in the winter and spring on an axillary, erect then arching, 30" [75 cm] long, paniculate, each fractiflex branch less than 2" and carrying 1 to 2 fertile flowers, successively several flowered inflorescence.

Synonyms Cyrtochiloides riopalenqueana (Dodson) N.H.Williams & M.W.Chase 2001; Oncidium helgae Königer 1999;

References W3 Tropicos, Kew Monocot list , IPNI ; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001 as O helgae; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001; Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing/photo fide; Oncidium Vol 1 Koniger 2004 drawing/photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 as Cyrtochilodes riopalenqueana drawing fide

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