Oncidium silvanoi Königer 2001 SECTION Heterantha

Photo by Willibald Koniger

Another Flower

Photo by Jay Pfahl ©

TYPE Drawing

Drawing by © Koniger and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Part ShadeCool Spring

Common Name Silvano's Oncidium [Original Discoverer of Species Current]

Flower Size 3/4" [2.1 cm]

Found in Peru at elevations around 1800 meters as a large sized, erect, cool growing epiphyte with narrowly elliptioc, ovoid, or broadly elliptical, strongly laterally compressed, ancipitous pseudobulbs partially enveloped basally by 2 to 3, imbricating sheaths and carrying 2, apical, thinly leathery, lanceolate, acute, gradually narrowing and folding into the conduplicate base leaves that blooms in the spring [northern hemisphere] on a 59" [150 cm] long, paniculate, axillary, arching then pendant, to 15, short branched inflorescence with branches that may have shorter branches acarrying only 1 to 2 normal, scentless flowers and also 1 to 2 abortive flowers.

"Similar to O lepturum but it has a short, erect inflorescence carrying many abortive flowers and only a few fertile flowers and the dorsal sepal is replicate, the lip is recurved from the callus, the anterior teeth of the callus are curved upwards, the base of the callus does not show a pubescent torus, the column wings are not 2 lobed ad the cheeks of the tabula are not pilose." Koniger 2007

SynonymsHeteranthocidium silvanoi (Königer) Szlach. & Kolan. 2015

References W3 Tropicos, Kew Monocot list , IPNI ; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006; Oncidium Vol 3 Koniger 2007 photo/drawing fide