FLORA OF LAOS Begoniaceae Begonia handelii Irmsch.?
Vientiane Prov., Kasi Distr., Thong Mout village, around point 19°26′51.5”N 102°07′45.8”E.
Primary broad-leaved evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline stratified limestone at elevation 1550-1650 m.
Terrestrial and lithophytic herb along rocky stream valley. Leaves uniform dark green above, light green above. Flowers pink, anther yellow. Not rare.