Cleisostoma rostellatum (Ridl.) Garay 1972 SECTION Paniculatum

Drawing and Specimen showing mid lobe diferences Photo by © Peter O'Byrne, and The Swiss Orchid Foundation at the Jany Renz Herbarium Website

Common Name or Meaning The Beak-Shaped Cleisostoma [refers to the shape of the apex of the column]

Flower Size 1/4" [6.25 mm]

Found in Malaysia, Sumatra and Borneo at elevations around 208 meters as a miniature to small sized, hot growing epiphyte with an erect stem carrying strap-shaped, flaccid but fleshy, broadly rounded bilobed apically leaves that bloom on an axillary, occasionally shortly branching, to 6" [15 cm] long, to 20 flowered inflorescence

Considered synomonous with C duplicilobum but differs in the protuberences on the lip mid lobe which C rostellatum has.

Synonyms Garayanthus rostellatus (Ridl.) Szlach. 1995; Saccolabium bicarinatum Ridl. 1907; *Sarcanthus rostellatus Ridl. 1900

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitinand 1963 as Sarcanthus rostellatum drawing fide; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing fide; Orchids of Malaya Segerback 1992 photo fide; Orchids of Sumtra Comber 2001; Wild Orchids of the Cameron Highlands REACH 2009 photo fide; Malesian Orchid Journal Vol 5 2010 photo/drawing good; Malesian Orchid Journal Vol 9 2012 photo fide

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