Odontoglossum astranthum Linden & Rchb. f. 1867 Photo courtesy of © Lourens Grobler.

to LATE EARLY

Common Name

Flower Size 1.6" [4 cm]

Found in Ecuador at elevations of 2000 to 2500 meters as a small sized, cool to cold growing epiphyte or terrestrial with clustered, ovate to pear-shaped, compressed, ancipitous, rugose and longitudinally ridged with maturity pseudobulbs enveloped basally by several distichous, imbricating, leafless below and leaf-bearing above sheaths carrying 2, apical, linear to lanceolate obtuse, strongly keeled below and channedled along the midvein above and narrowed below and conduplicate to form a petiole-like base that blooms in the late spring and early summer on an axillary, arching, to 7" [18 cm] long, 6 to 12 flowered, paniculate inflorescence arising on a recently matured pseudobulb with the few branches held to the apical half.

Synonyms Collare-Stuartense astranthum (Linden & Rchb. f.) Senghas & Bockemühl 1997; Odontoglossum loxense F. Lehm. & Kraenzl. 1899

References W3 Tropicos, Kew Monocot list IPNI ; Native Ecuadorian Orchids Vol 3 Dodson 2002; Orchid Species Culture: Oncidium, Bakers 2006

------------------------------------------------------------------------------------------------------------------------------------------