FLORA OF VIETNAM Orchidaceae Paphiopedilum micranthum
N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho village on east side of Sin Suoi Ho river. Degraded forest along north ridge slope. Limestone substrate and exposed rock outcrops at elev. about 1000-1100 m. 23°06′57′'N, 105°01′48′'E. Adaxial leaf surfaces green with irregular light green patches, abaxial leaf surfaces speckled red-purple, bracts light green with deep red-purple spots, young inflorescence similarly speckled. Upper tepal yellow with red-purple spots, laterals yellow-green medially outside with pink margins, inside complex yellow medially with deep red veins and pink at margin, labellum large, inflated white at base, pink an sides and at opening, white speckled red-pink inside, rostellum mostly white, deep red-purple at base, yellow with deep red purple spots at tip. Occasional, most frequent at ridgetop amng rocks, forming clumps to 0.25 m.