Calanthe hirsuta Seidenf. 1975 SUBGENUS Calanthe SECTION Preptanthe Photo by Lourens Grobler.

Drawing TYPE Drawing by Seidenfaden.

Part shadeWarm LATEFall EARLYWinter

Common Name The Hairy Calanthe [refers to the hairy bracts and floral bracts]

Flower Size 1.2" [3 cm]

Found in Thailand and China in hill forests at elevations of 500 to 1000 meters as a medium sized, warm growing terrestrial with clustered, ovoid-conical, constricted below the apex, angled in crossection pseudobulb carrying 3 to 4, elliptic, acuminate, plicate, many nerved, attenuate below into the variable petiolate base leaves that are deciduous in the dry season and arising before blooming in the late fall and early winter on an erect, rachis to 8.8" [22 cm] long, to 34" [85 cm] overall, rather few flowered inflorescence with ovate basally, long acuminate apically, pubescent floral bracts


References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitinand 1961 as C sp PUT 3497 pg 335 drawing fide *Dansk Botanisk Arkiv Orchid Genera in Thailand I Calanthe Seidenfadden 1975 drawing fide; The Genus Calanthe Clayton & Cribb 2013 drawing/photo fide