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3b. Heuchera parviflora Bartling var. puberula (Mackenzie & Bush) E. F. Wells, Rhodora. 81: 577. 1979.
Heuchera puberula Mackenzie & Bush, Rep. (Annual) Missouri Bot. Gard. 16: 103. 1905
Leaves: petiole densely short stipitate-glandular; blade sur-faces densely short stipitate-glandular, hairs to 0.6 mm. Hypanthia densely short stipitate-glandular. 2n = 14.
Flowering Jul-Sep. Shaded or north-facing sandstone or limestone ledges or rock undercuts; 200-500 m; Ark., Ind., Ky., Mo.
Variety puberula is uniformly short stipitate-glandular and is mostly restricted to the Ozark Mountains of Arkansas and Missouri, plus sites in central Kentucky and southern Indiana.
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