Pseudodissochaeta septentrionalis (W.W.Sm.) M.P.Nayar
S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary broadleaved evergreen mt forest on W macroslope of Gia Rinh mt. ridge at 1600-1650 m alt. (N 12° 09′, E 108° 41′). Shrub up to 4 m hg. Flowers dark violet. Very common, especially in wet open places. VH 4551 04.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, N.T. Hiep, P.K. Loc, P. Lowry