Causonis

Causonis is a genus of flowering plants belonging to the family Vitaceae; it is now placed in the tribe Cayratieae.

Its native range is Tropical and Subtropical Asia to Southwestern Pacific.

Species
Plants of the World Online currently includes:
 * 1) Causonis clematidea (F.Muell.) Jackes
 * 2) Causonis corniculata (Benth.) J.Wen & L.M.Lu
 * 3) Causonis eurynema (B.L.Burtt) Jackes
 * 4) Causonis japonica (Thunb.) Raf. - type species
 * 5) Causonis maritima (Jackes) Jackes
 * 6) Causonis pterita (Merr.) J.Wen & L.M.Lu
 * 7) Causonis trifolia (L.) Mabb. & J.Wen