Oncidium orthostatoides D.E.Benn. & Christenson 1994 SECTION Oblongata

Drawing by Pastorelli, Bennett & Christenson

Part Shade Warm Cool LATER Spring Summer

Common Name The O. orthostates-Like Oncidium

Flower Size .88" [2.2 cm]

Found in San Martin department of Peru in wet montane forests at elevations around 950 to 1000 meters as a small sized, warm to cool growing, caespitose epiphyte with ellipsoid, compressed pseudobulbs enveloped basally by a pair of non-foliaceous sheaths carrying 2, apical, narrowly oblanceolate, acute, conduplicate below into the petiolate base leaves that blooms in the later spring and summer on an axillary, erect, peduncle with 8 or more distant, small, ovate, acute bracts, subfractiflex, to 30.4" [77 cm] long, paniculate, shortly branched, each lateral branch laxly 4 to 5 flowered, several flowered inflorescence carrying showy flowers with the tepals brilliant yellow with purple markings on the outer surface, the lip brilliant yellow, the callus purplish with yellowish white teeth, the column is similarly colored, and the anther is marked with yelllow and purple.


References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Peruviarum Plate 338 Bennett & Christenson 1993 drawing fide;