FLORA OF VIETNAM Orchidaceae Philidota chinensis Lindl.
N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho village and river. Degraded agricultural land among limestone rocks to ridgetop of exposed limestone under light canopy with many epiphytes and lithophytes on north and east facing slopes, at 23°06′57″N, 105°01′48″E, at 514-900 m. Lithophytic. Upper bract dull brown-red, outer calyx light white, tip of labellum yellow. Occasional.