Piperaceae C. A. Agardh Peperomia tetraphylla (Forst.) Hook. et Arn. S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 2000 m alt. Primary evergreen dense mountain forest. Epiphyte or epiphyte herb up to 0.15 m high. VH 066 23.02.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev