FLORA OF LAOS Convallariaceae Tupistra albiflora K. Larsen Vientiane Prov., Vang Vieng Distr., Phol Xai village, about 8 km to the W of Vang Vieng town, Phar Poon Mt., around point 18°56’11.5”N 102°20’05.0”E. Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-900 m. Very common at elevation 700-800 m. LA-VN 431 15 March 2013 L. Averyanov et al. Flowered 6 Dec. 2017 LA-VN 431 / garden no 1300 d-EXSICCATES OF VIETNAMESE FLORA 0299/LA-VN 431 / 1300 © L.Averyanov