FLORA OF LAOS Cycadaceae Cycas chevalieri Leandri?
Luang Prabang prov., Ngoy distr., Nong Khiew village, Pha Deng Mountain around point 20°34′14.3′'N 102°37′31.8′'E.
Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-825 m a.s.l.
Terrestrial plant with large underground tuber in open secondary forest on alluvial slope at limestone mountain foothill. Rare.