Habenaria siamensis Schltr. 1906 SECTION Diphyllae Kraenzl Drawing by Wu Zanghua and Flora of China Website

Part shadeHot Cool LATERSummer

Common Name The Thailand Habenaria

Flower Size .6" [1.5 cm]

Found in Guizhou China and northern Thailand in grassy locals in open forests at elevations of 170 to 1500 meters as a mini-miniature to miniature sized, hot to coolgrowing terrestrial with 2, basal, adpressed to the growund, cordate to ovate-lanceolate, mucronate leaves that blooms in the later summer on a terminal, lax, rather wide, 3.2 to 5" [8 to 12.5 cm] long, 2 to 10 flowered inflorescence with 3 to 4, suberect, lanceoalte, acuminate, sometimes with shortly hairy margined sterile bracts and lanceolate, to ovate, acuminate, margins shortly hairy floral bracts.


References W3 Tropicos, Kew Monocot list , IPNI ; Flore Generale de Indo-Chine Volume 6 Gagnepain 1934; Contributions to a Revision of the Orchid Flora of Cambodia, Laos and Vietnam Seidenfaden 1975; Dansk Botanisk Arkiv Orchid Genera in Thailand V Orchioideae Seidenfaden 1977 drawing fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo good; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo good; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; Flora of Thailand Vol 12 Part 1 Pederson, Kurzweil, Suddee, & Cribb 2011 drawing fide;