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


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.


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