Corybas holttumii J.Dransf. & G.Sm. 1986 Photo courtesy of Dr. E.F. de Vogel, André Schuiteman, and Jaap Vermeulen and Their Netherlands National Herbarium Website

Full Shade Cool

Common Name or Meaning Holttum's Corybas [English Orchid Enthusiast and Botanist 1900's]

Flower Size

Found only in penninsular Malaysia on mossy banks in upper montane, moss forests at elevations around 1800 meters as a miniature sized, cool growing terrestrial orchid with a heart-shaped, acuminate, strongly undulate, almost crenulate, dull bluish green, faintly veined, dotted white leaves that blooms on a terminal, very short, single flowered inflorescence.

Synonyms Calcearia holttumii (J.Dransf. & G.Sm.) M.A.Clem. & D.L.Jones 2002

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Penninsular Malasia and Singapore Woods & Seidenfaden 1992 drawing/photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide