FLORA OF LAOS Hin Nam No Nature Protected Area Convallariaceae Tupistra siphonantha N.Tanaka, Vislobokov & D.P.Hannon 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. Lithophytic herb with short thick plagiotropic rhizome on exposed rocks near mountain top. Very common at elevation 450-600 m a.s.l. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 983. Flowered 05 Nov 2018. Flowers white, photos, L. Averyanov