Oncidium scansor Rchb. f. 1849-50 SECTION Serpentia

Photo by © Karl Senghas

Part shade to Part sun Hot Cool WinterSpringSummerFall

Common Name or Meaning The Climbing Oncidium

Flower Size 1 1/4" [3 cm]

Found in Venezuela, Colombia, Ecuador, Peru and Bolivia in wet montane forests on shrubs and low branches in shade to direct sunlight at elevations of 750 to 1950 meters as an extremely variable twining, miniature sized, warm to cool growing epiphyte with 12 to 20 meters of wirey-woody, flexuous, stem carrying well spaced, adventitious plantlets and inflorescence with ellipsoid to ovoid, complanate, ancipitous, sulcate with age pseudobulbs enveloped basally by conduplicate sheaths with the uppermost set leaf bearing and carrying a single, apical, oblong-elliptic, subacute, minutely apiculate leaf that blooms on a 2' [60 cm] long inflorescence in 2 parts, the first elongate, twining, sterile, bearing adventitious plantlets, the second part, that blooms at random times of the year on a racemose, axillary, 3" [7.5 cm] long, single to 3 flowered inflorescence arising on mature pseudobulbs with showy, yellow flowers.

Synonyms Brevilongium scansor (Rchb.f.) Christenson 2006; Oncidium convolvulaceum Lindl. & Paxton 1850; Otoglossum scansor (Rchb.f.) Carnevali & I.Ramírez 2003

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854; Venezuelan Orchids Illustrated Vol 2 Dunsterville & Garay 1961 drawing ok; Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976; Orchids of Venezuela An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 drawing ok; Icones Planetarum Tropicarum plate 571 Dodson 1982 drawing ok; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Native Colombian Orchids Vol 3 COS 1991 photo ok; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; Icones Orchidacearum Peruviarum Plate 534 Bennett & Christenson 1998 drawing ok; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing ok; The Pictoral Encyclopedia of Oncidium Zelenko 2002 as Otoglossum scansor; Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing ok/photo fide; Orquideas Nativas del Tachira Cesar Fernandez 2003 photo fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 as Otoglossum scansor; Orquideologia Vol. 23 No 2 2004; Oncidium Vol 2 Koniger 2005 photo/drawing fide; Orchid Species Culture: Oncidium, Bakers 2006 as Otoglossum scansor; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo ok; AOS Bulletin Vol 77 No 10 2008 as Brevilongium scansor; Orchid Species of Peru Zelenko & Bermudez 2009 as Otoglossum scansor