Oncidium angustisegmentum D.E.Benn. & Christenson 1998 SECTION Oncidium TYPE Drawing by Pastorelli, Bennett & Christenson

Part shade

Common Name The Narrow Segment Oncidium [refers to the spidery tepals]

Flower Size 1.6" [4 cm]

Found in Pasco department of Peru in wet montane forests at elevations around 1550 meters as a small sized, cool growing epiphyte with ovoid, compressed, ridged pseudobulbs basally enveloped by 1 to 2, foliaceous bracts shorter than the apical leaf, carrying a single, apical, oblong-elliptic, acute, petiolate base leaf that blooms in the summer on a slender peduncle to 12" [30 cm] long, shortly paniculate, branches to 2" [5 cm] long, each branch few flowered, to 56" [to 1.4 meters] long overall, many flowered inflorescence with lanceolate, acuminate, less than half the length of the ovary floral bracts and carrying spidery flowers with yellowish green with pale reddish-brown spots and transverse bars, a yellow labellum with an ochre-red transverse band across the isthmus, a white callus and a yellow column with reddish spots on the wings.

Similar to O baueri but it separated by its broader floral segments, and multiflowered panicle branches.


References W3 Tropicos, Kew Monocot list , IPNI ; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001;