FLORA OF VIETNAM Convallariaceae Tupistra longispica Y.Wan et X.H.Lu?
Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.
Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.
Terrestrial and lithophytic herb with thick short rhizome to 3 cm in diam. and leaves to 1.2 m long on rocky shady very steep slope at middle part of mountain at elevation about 1100 m a.s. Fruits ovoid to sub-globular to 3 cm in diam., with dark green verruculose surface. Locally common.