Bulbophyllum umbellatum Lindley 1830 SECTION Umbelletae Bentham 1883 Photo courtesy of Dale and Deni Borders
Common Name The Umbrella Bulbophyllum
Flower Size 1 to 1 1/2" Long [2.5 to 3.75 cm]
Found in the western Himalayas, eastern Himalayas, Assam, India, Nepal, Bhutan, Myanamar, Thailand, and Vietnam in humid, mossy, mixed and coniferous forests on mossy branches in old, dwarf, gnarled trees at elevations of 0 to 2000 meters as a miniature sized, hot to warm growing epiphyte with .4 to .8" between each ovoid to broadly conical, rugose pseudobulbs enveloped basally by a fibrous sheath and carrying a single, apical, coriaceous, narrowly elliptic, emarginate, petiolate base leaf that blooms on a slender, to 8" [20 cm] long, basal, few [5 to 8] flowered inflorescence that is just shorter than the leaf and has an apical umbel of foul smelling flowers occuring in the fall.
Synonyms Bulbophyllum annamicum (Finet) T.B.Nguyen & D.H.Duong 1984; Bulbophyllum kontumense Gagnep. 1950; Bulbophyllum saruwatarii Hayata 1916; Bulbophyllum tibeticum Rolfe 1913; Bulbophyllum tortisepalum Guill 1954; Cirrhopetalum annamicum (Finet) Tang & F.T.Wang 1951; Cirrhopetalum bootenensis Griff. 1851; Cirrhopetalum guttulatum Wight non Hook. f. 1896; Cirrhopetalum maculosum Lindl. 1841; Cirrhopetalum maculosum var. frutescens Hook.f. 1890; Cirrhopetalum maculosum var. annamicum Finet 1909; Cirrhopetalum saruwatarii (Hayata) Hayata 1917; Phyllorchis maculosa (Lindl.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Bhutan Pearce & Cribb 2002; Notes on Cirrhopetalum Seidenfaden 1973; Orchid Genera in Thailand VIII Bulbophyllum Thou. Seidenfadden 1990; An Illustrated Encyclopedia of Orchids Pridgeon 1982; Encyclopedia of Cultivated Orchids Hawkes 1985; Bulbophyllum and Their Allies Seigerist 2001; Manual of Orchids Stewart 1995