Thrixspermum olidum P.O'Byrne 2016 SECTION Thrixspermum

TYPE Drawing

Photo/TYPE Drawing by Peter O'Byrne

Common Name The Smelly Thrixspermum

Flower Size 1.04" [2.6 cm]

Found in Sabah Borneo in upper montane forests at elevations around 2000 meters as a small to just medium sized, cool to cold growing epiphyte with spreading, stout stems enveloped by slightly compressed, green with maroon marks, persistent, longer than the internodes sheaths and carrying spreading, leathery, strap shaped, green with maroon marks, obtuse, unequally bilobed leaves that blooms in the spring on horizontal, arising from the nodes near the base of the stem, peduncle 3.2 to 6.8" [8 to 17 cm]long, wiry, cylindrical, provided with 2 basal, and another 2 to 3 midway, maroon bracts rachis compressed, to 2.8" [7 cm] or more, green to maroon, successively single, several flowered inflorescence with compressed, oblong, forward margin sometimes notched, rounded to subacute apically, somewhat shorter to longer than the ovary floral bracts and carrying ephemeral, waxy, wide open flowers.

Similar to T triangulare but T olidum differs in having a canaliculate callus, auriculate sidelobes and a glabrous midlobe.


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