Begonia sandtii Houghton ex Ziesenh.

very locally replaces B. gracilis at this site

very locally replaces B. gracilis at this site

Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis, in the area. Elev. 1730m

Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis, in the area. Elev. 1730m

Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis, in the area. Elev. 1730m

Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis, in the area. Elev. 1730m

Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis, in the area. Elev. 1730m

Lower leaf surface. Note glandular hairs. Moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. 1 of 3 species, dominated by B. gracilis in area

Upper leaf surface. Note glandular hairs. Moist bases of boulders, swales and ledges of large open area of exposed volcanic rhyolitic tuff, 1-of 3 species dominated by B. gracilis in the area.

moist bases of boulders, swales & under shaded ledges in a large open area of gently sloping exposed volcanic rhyolitic tuff. Note glandular hairy foliage