FLORA OF LAOS Maranthaceae Donax canniformis (G.Forst.) K.Schum.
Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06′10.9′'N 102°10′46.1′'E.
Secondary and primary evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-750 m a.s.l.
Terrestrial giant herb to 4 m tall in open wet place at the bottom of limestone mountain. Flowers white. Common.