Heuchera villosa var. arkansana
Proc. Arkansas Acad. Sci. 31: 100. 1977 ,.
Common names: Arkansas alum-root
Endemic
Basionym: Heuchera arkansana Rydberg in N. L. Britton et al., N. Amer. Fl. 22: 101. 1905
Inflorescences dense, 10–35(–62) × 1–3(–4) cm, internodes in floral branchlets 0.3–1 mm. Pedicels 0.2–0.9 mm. Flowers: hypanthium subglobose, glabrous or sparsely long stipitate-glandular; petals reflexed or tightly coiled, narrowly oblanceolate, 0.2–0.4 mm wide. 2n = 14.
Phenology: Flowering Jun–Sep.
Habitat: Shaded rocks and ledges, granite, gneiss, or acidic humus over limestone or shallow rocky soil
Elevation: 300-900 m
Discussion
Variety arkansana is found in the Ozark Mountains.
Selected References
None.
Lower Taxa
None.