Odontoglossum astranthum Linden & Rchb. f. 1867 Photo by © Jay Pfahl.

Another Flower Photo by © Lourens Grobler.

LATEEARLY

Common Name The Star Flowered Odontoglossum

Flower Size 1.6" [4 cm]

Found in Ecuador and Peru at elevations of 2000 to 2500 meters as a small sized, 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, channeled along the midvein above and conduplicate to form a petiole-like base leaves 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; Oncidium astranthum [Linden & Rchb.f] Chase & NH Wms. 2008

References W3 Tropicos, Kew Monocot list IPNI ; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as Collare-stuartense astranthum photo fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 77 No 12 2008 as Oncidium astranthum; Orchid Species of Peru Zelenko Bermudez 2009 photo fide

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