Bulbophyllum tricarinatum Petch 1923 SECTION Minutissima Pfitzer 1888 Drawing by M.D.Dassanayake and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name The Three Keeled Bulbophyllum [refers to the dorsal sepal]

Flower Size .2" [5 mm]

Found in Sri Lanka on trees in subtriopical, montane forests at elevations up to 1550 meters as a mini-miniature sized, cool growing epiphyte with close set pseudobulbs carrying a single, apical, erect, ovate to ovate-lanceolate, coriaceous, incised apically, abruptly contractec into a distinct petiolate base leaf that blooms in the fall on a basal, filiform, with a single, sterile bract about half way, 1" [2.5 cm] long, 2 to 4 flowered inflorescence with small, hyaline, triangular, half as long as the ovary floral bract, sessile, yellow green flowers held in a subumbellate fashion.

Similar to B maskeliyense but B tricarinatum has three ribs or keels on the dorsal sepal. Allied to B moniliforme but it has 5 nerved sepals.

References W3 Tropicos, Kew Monocot list IPNI ; A Revised Handbook to the Flora of Ceylon Dassanayake & Fosberg 1981 drawing fide; Bulbophyllum and Their Allies Seigerist 2001;

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