Mischobulbum grandiflorum (Hook. f.) Schltr. 1911
Plant Photo courtesy of Nik Fahmi and his Vortex Orchid Page
to 
Common Name The Large Flowered Mischobulbon
Flower Size [.8" [2 cm]
Found from Sikkim to Thailand, Malaysia to Sumatra in wet montane forests at elevations of 1200 to 1700 meters as a small sized, cool to warm growing epiphyte with cordate, fleshy shaped leaves with an acute apex and 5 main veins that blooms in the spring on a 10" [25 cm] long inflorescence with 4 to 8 flowers. Most likely the correct name is M wrayanum as it was published first as Ipsea wrayanum in 1890
Synonym Ipsea wrayana Hkr.f 1890; Mischobulbum wrayanum (Hook. f.) Rolfe 1912?; *Nephelaphyllum grandiflorum Hook.f. 1890; Tainia atropurpuea Ridl. 1896; Tainia grandiflora (Hook.f.) Gagnep. 1932; Tainia wrayana [Hkr.f] J.J. Sm 1912
References W3 Tropicos [http://mobot.mobot.org/W3T/Search/vast.html] , Kew Monocot list [ http://www.kew.org/wcsp/home.do ], IPNI [ http://www.us.ipni.org/ipni/plantsearch?request_type=search&output_format=query&ret_defaults=on Orchids of Sumatra Comber 2002 as M wrayanum
-------------------------------------------------------------------------------------------------------
