Oncidium jonesianum Rchb.f 1883 SECTION Cebolletae Photo courtesy of Jay Pfahl

Flower Closeup Photo by © José Luis Panozo Añez

Disected Flower Photo by © E Schnurr


Common Name Jones' Oncidium [English Orchid Enthusiast]

Flower Size 2 to 3" [5 to 7.5 cm]

From southern Brazil, Paraguay and Uruguay in riverine forests, this species is a medium sized, cool to hot, pendant growing epiphyte with very small, ovoid pseudobulbs carrying a single, apical, fleshy, terete, linear, grooved, leaf with a thorn like apex that blooms in the fall with an arching to pendant, 2' [60 cm] long, few to several [6 to 16] flowered, compressed, slender raceme with ovate, triangular, shortly triangular bracts and longlasting, showy and nodding flowers.

Synonyms Cohniella jonesiana (Rchb. f.) Christenson 1999; Oncidium jonesianum var. binotii Pabst 1977; Stilifolium jonesianum (Rchb. f.) Koniger & Pongr. 1997; Trichocentrum jonesianum (Rchb.f.) M.W.Chase & N.H.Williams 2001

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1917; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Iconografia de Orchidaceae Do Brasil Hoehne 1949 drawing fide; AOS Bulletin Vol 30 No 9 1961; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 36 No 3 1972 photo fide; AOS Bulletin Vol 49 No 1 1980 photo; AOS Bulletin Vol 51 No 4 1982 photo; AOS Bulletin Vol 56 No 11 1987 photo; Icones Planetarum Tropicarum Series II Orchids of Bolivia plate 0359 Dodson & Vasquez 1989 drawing fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; Lindleyana Vol 16 No 2 2001 as Trichocentrum jonesianum; 100 Orquideas Argentinas Freuler 2005 photo fide; Orchid Species Culture: Oncidium, Bakers 2006 as Cohniella jonesiana (Rchb. f.) Christenson 1999; The Pictoral Encyclopedia of Oncidium Zelenko 2002 as Trichocentrum jonesianum; Orchids of The Brazilian Central Plateau Menezes 2004 photo fide

Oncidium jonesianum Rchb.f 1883 var flavens Photo courtesy of Wilma Braga

An albino form of the previous species.

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of The Brazilian Central Plateau Menezes 2004 as O jonesianum var binotii photo fide