FLORA OF LAOS Convallariaceae Tupistra muricata (Gagnep.) N.Tanaka Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12’57”N 102°14’59”E). Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m. A terrestrial herb with erect thick stem to 0.5 m tall on shady rocky slope. Old flowers almost black. Not rare. LA-VN 756 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy Flowered in October 2015. Flowers pure white. Photos.