N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20°51′ E 104°38′). Remnants of primary evergreen broadleaved forests on vertical limestone bluffs along Xap river canyon at 550-600 m elev. Terrestrial and lithophyte plants with underground tuber-like stem up to 20 cm in diam and 0.5 m lg. Leaves up to 2 m lg. Common (up to elevations 1240 m).
NTH 2920 28 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.
Coordinates (geographic position):20° 51′ N, 104° 38′ E ±1000 mRecord creation: 2020-02-21, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01068210 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068210