Thrixspermum scandens P.O'Byrne 2016 SECTION Thrixspermum

TYPE Drawing

Photo/TYPE Drawing by Peter O'Byrne


Common Name The Scandent Thrixspermum [refers to its climbing habit]

Flower Size 1.6 to 2" [4 to 5 cm]

Found in Sabah Borneo in lower montane forests at elevations around 1560 meters as a medium sized, cool growing epiphyte climbing up trees with erect, leafy in the distal part stems enveloped by thick, compressed, acute edged to winged along the sides sheaths and carrying oblong, green, leathery, rounded, unequally bilobed, lobules obtuse leaves that blooms in the , late spring on a horizontal, emerging lateally through a sheth below a root, peduncle 2.4 to 5.2" [6 to 13 cm] long, slightly compressed, distally becoming strongly compressed and sharp-winged, broadening below the rachis, provided with 1 to 2 cylindrical, basal bracts and a much larger one midway, rachis to 1.32 to 1.6" [3.3 to 4 cm] long, sporadically 1 to 2, several flowered inflorescence with compressed, over-lapping, ovate-trianhgular, subacute, much longer than the ovary floral bracts and carrying ephemeral, wide opening flowers.

Florally similar to T tahanense in habit, the non-caudate tepals and the acute midlobe but T scandens differs in the midlobe being less than .28" [7 mm] long and the non-inflated sac that lacks an internal longitudinal ridge.


References W3 Tropicos, Kew Monocot list , IPNI ; *Malesian Orchid Journal Vol 18 2016 drawing photo fide;