Mediocalcar umboiense Schuit. 1997

Flower Closeup Photos by André Schuiteman, courtesy of Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol IV

Deep Shade Warm Winter

Common Name The Umboi Mediocalcar [An Island in the Bismark Archopelagi and Part of Papua New Guinea]

Flower Size .25" [7.5 to 8 mm]

Found in the Bismark archipeligo in lower montane forests at elevations around 600 meters as a miniature sized, warm growing epiphyte with a creeping rhizome giving rise to prostrate almost adnate to the rhizome, cylindrical to slightly clavate, glabrous pseudobulbs carrying 2, 3 to 4, apical, very shortly petiolate, spreading in one plane, narrowly elliptic, fleshy, broadly sulcate along the mid vein, obtuse, mucronate and bilobulate apically leaves that blooms in the winter on a solitary, .2 to .3" [5 to 7 mm] long, single flowered inflorescence.

References W3 Tropicos, Kew Monocot list , IPNI ; Flora Malesiana Orchids of New Guinea Vol IV Shuiteman and de Vogel 2006