Difference between revisions of "Heuchera villosa var. arkansana"

(Rydberg) E. B. Smith

Proc. Arkansas Acad. Sci. 31: 100. 1977 ,.

Common names: Arkansas alum-root
Basionym: Heuchera arkansana Rydberg
Treatment appears in FNA Volume 8. Treatment on page 90. Mentioned on page 89.
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Revision as of 18:04, 18 September 2019

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.
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
(Rydberg) E. B. Smith +
Heuchera arkansana +
Arkansas alum-root +
300-900 m +
Shaded rocks and ledges, granite, gneiss, or acidic humus over limestone or shallow rocky soil +
Flowering Jun–Sep. +
Proc. Arkansas Acad. Sci. +
Heuchera villosa var. arkansana +
Heuchera villosa +
variety +