Calanthe leuseri P.J.Cribb 2009 SUBGENUS Calanthe SECTION Calanthe SERIES Triplicata Photos by Th. Nordhausen and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

LATER EARLY

Common Name The Leuser Calanthe [Named after Gunung Leuser National Park in Sumatra]

Flower Size .8" [2 cm]

Found in Sumatra lowland and hill forests on alluvial soils at elevations of 300 to 400 meters as a medium to large sized, hot growing terrestrial with obscure pseudobulbs carrying 5 to 6, narrowly elliptic-lanceolate, acuminate, glabrous, gradually narrowing below into the channeled petiolate base leaves that blooms in the later spring and early summer on an erect, slender, puberulous, rachis .8 to 6.4" [2 to 16 cm] long, overall to 24" [60 cm] long, 5 to 30 flowered inflorescence with recurved, elliptic-ovate, shortly apiculate to acuminate, pubescent, persistent floral bracts carrying wide spread flowers that turn orange with age.

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; *Malesian Orchid J. 3: 97 Cribb 2009 drawing/photo fide; The Genus Calanthe Clayton & Cribb 2013 drawing/photo good

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