Heuchera villosa


Fl. Bor.-Amer. 1: 172. 1803 ,.

Common names: Hairy or maple-leaved alum-root
Treatment appears in FNA Volume 8. Treatment on page 89. Mentioned on page 85, 88, 94, 115.

Herbs caulescent; caudex branched. Flowering stems 10–85 cm, long stipitate-glandular. Leaves: petiole long stipitate-glandular; blade rounded-cordate, orbiculate, or oblong, often ± polygonal, deeply (5–)7–9+-lobed, 3–26 cm, base cordate to nearly truncate, lobes ovate to triangular, margins dentate to serrate, apex obtuse to acute, surfaces glabrous or long stipitate-glandular. Inflorescences dense to diffuse. Flowers: hypanthium radially symmetric, free 0.2–0.5 mm, white or pink, obconic or subglobose, 1.5–3.6 mm, usually long stipitate-glandular, sometimes sparsely long-stipitate or glabrous; sepals erect, green-tipped, equal, 0.5–1.7 mm, apex rounded; petals often coiled, sometimes reflexed, white, linear, lanceolate, or oblanceolate, unlobed, 1–3 mm, margins entire; stamens exserted 2–2.5 mm; styles exserted 1.5–2.5 mm, 2–4 mm, to 0.1 mm diam. Capsules ovoid, 3–6.4 mm, beaks divergent, not papillose. Seeds dark brown, fusiform, 0.5–0.9 mm.


V8 165-distribution-map.gif

Ala., Ark., Ga., Ind., Ky., Miss., Mo., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.


Varieties 2 (2 in the flora).

Selected References



1 Inflorescences dense to diffuse, internodes in floral branchlets 0.7-3 mm; pedicels 0.9-3 mm; hypanthia obconic or subglobose, long stipitate-glandular; petals 0.1-0.2 mm wide; e of the Prairies. Heuchera villosa var. villosa
1 Inflorescences dense, internodes in floral branchlets 0.3-1 mm; pedicels 0.2-0.9 mm; hypanthia subglobose, glabrous or sparsely long stipitate-glandular; petals 0.2-0.4 mm wide; Arkansas. Heuchera villosa var. arkansana