FLORA OF LAOS Hin Nam No Nature Protected Area Vitaceae Cissus javana DC. ( = Cissus discolor Blume) Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Herbaceous vine 2-3 m long among open rocks near mountain top. Leaves dark velvety green- white tessellated with dark purple nerves above, dark dirty violet below. Occasional. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 980.