Dendrobium calcaratimentum P.O'Byrne 2015 SECTION Crumenata Pfitzer

TYPE Drawing TYPE Photos/TYPE Drawing by Peter O'Byrne

Common Name The Spurred Mentum Dendrobium [refers to the narrowly spurred mentum]

Flower Size .38 to .4" [9 to 10 mm]

Found in Kalimantan Borneo in lowland forests on limestone hills at elevations around 230 meters as a small sized, hot growing epiphyte with erect, basally swollen, narrowly conical to fusiform, 2 internoded, sulcate, green to olive, upper stem wiry, leafy throughout, compressed stem carrying linear to narrowly elliptic, green, keeled below, tapering to a minutely notched unequal apex, basally clasping leaf with longer than the internode, compressed, glabrous to papillose, slightly winged along one side, persistent sheaths that blooms in the spring summer and fall on pseudoterminal or lateral at the upper internodes, several in succession from a bundle of brown scales, peduncle minute, cream, sessile, single flowered inflorescence with ovate, obtuse, longer than the ovary floral bracts and carrying flowers that last 2 days.


References W3 Tropicos, Kew Monocot list , IPNI ; *Malesian Orchid Journal Vol 15 P.O'Byrne 2015 photo/drawing fide;