Habenaria longitheca Seidenf. 1977 SECTION Commelynifoliae Kraenzl 1893="

Photo by The Trekaseen Website

TYPE Drawing TYPE Drawing by Seidenfaden

Common Name The Long Box Habenaria

Flower Size .8 to .88" [2 to 2.2 cm] wide

Found in northern Thailand in evergreen forests at elevations around 960 to 1550 meters as a medium to just large sized, warm to cool growing terrestrial with erect stems carrying 4 to 6, cauline, clustered in the lower third of the stem, broadly elliptic lanceolate, acuminate, mucronate leaves grading above into 4 to 6, suberect to spreading, lanceolate, acuminate, margins sometimes shortly hairy sterile bracts that blooms in the summer on an erect, terminal, glabrous, 22.8 to 26" [57 to 65 cm] long, lax, 30 to 35 flowered inflorescence with a 12 to 14" [30 to 35 cm] long rachis and lanceolate, acuminate, margins shortly hairy floral bracts.


References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitnand 1959 as H kingii; *Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide