FLORA OF VIETNAM Convallariaceae Ophiopogon alatus Aver. et N.Tanaka Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1500-1550 m a.s.l. around point 22°50’01.3’’N 105°50’05.7’’E. Terrestrial herb among mossy rocks on rocky steep slope near mountain top. Fruits glossy dark blue. Very common. 20 November 2014 CPC 7535a / TM 1193. Seeds collected only. Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz Plant grown from seeds. CPC 7535a / TM 1193 / 14334. Flowers white with purple-violet tint, darker inside. Photos. 20 Nov. 2016. L. Averyanov