Biermannia calcarata Aver. 1988 Photo by Photo by Pierre Bonnet from the Orchis project website

Common Name The Spurred Biermannia - In China Pian Zhi Lan

Flower Size .4" [1 cm]

Found in Yunnan China and Vietnam in forests on trees at elevations of 300 to 800 meters as a miniature sized, hot to warm growing with basal, oblong-lanceolate, unequally bilobed apically leaves that blooms in the winter on basal, pendulous, .2 to .5" [.5 to 1.2 cm] long, slightly flattened, successively 3 to 6 flowered inflorescence.

Synonyms Arachnis siamensis (Schltr.) Tang & F.T.Wang 1951

References W3 Tropicos, Kew Monocot list , IPNI ; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos ok