Collabium chapaense (Gagnep.) Seidenf. & Ormerod 2001

Photo by Averyanov © and Taiwania 61(4):319-354 November 2016, New Species of Orchids (Orchidaceae) in the Flora of Vietnam Averyanov, Nong, Nguyen and Truong

EARLIER

Common Name or Meaning The Chapa Collabium [A district of Lao Cai of northernmost Vietnam]

Flower Size 1" [2.5 cm]

Found in northwestern Vietnam in primary broad-leaved, mixed and coniferous, humid submontane and montane forests on granite and sandstone, commonly on steep shady slopes near mountain tops at elevations of 1200 to 1900 meters as a small sized, cool growing terrestrial that blooms in the summer and earlier fall. Closely related to and often cited as a synonym of C formosanum, C chapaense differs in its green flowers, white column (purple at apex), its long, narrowly lanceolate floral bracts and the shortly conical, saccate spur.

Synonyms Chrysoglossum chapaense (Gagnep.) Tang & F.T.Wang 1951; *Tainia chapaensis Gagnep. 1932

References W3 Tropicos, Kew Monocot list , IPNI ; Opera Botanica #72 Orchid Genera in Thailand XI Cymbidiaeae Seidenfaden 1983 as syn of C formosanum; Taiwania 61(4):319-354 November 2016, New Species of Orchids (Orchidaceae) in the Flora of Vietnam Averyanov, Nong, Nguyen and Truong 2016 photo fide;

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