FLORA OF VIETNAM Orchidaceae Philidota ecarinata C.Schweinf.
N. Viet Nam. Ha Giang Province, Quang Ba District, Bat dai Son. Primary forest on limestone with Biota sp., Fraxinus, Quercus, Pseudotsuga, Acer and Taxus dominants along ridge and below peak at elev. 1100-1200 m (about 23°07′N 105°02′E). Frequent lithophyte. Scales carious at anthesis, inflorescence pendant, scales light green-pink-purple, pedicels green, young ovaries light green, outer three sepals brown-purple, lighter green outside, petals similarly colored, awl shaped, rostellum same color, pollinia light yellow, labellum light green outside, brown-purple on lateral sides inside, purple-brown at tip, dull yellow-cream at lip behind tip. Locally abundant.