Flora of North America species comparison

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Heuchera villosa var. villosa
Photo is of parent taxon

hairy alumroot
Inflorescences

dense to diffuse, 21–85 × 2–14 cm, internodes in floral branchlets 0.7–3 mm.
Pedicels

0.9–3 mm.
Flowers

hypanthium obconic or subglobose, long stipitate-glandular;

petals tightly coiled, linear or narrowly lanceolate, 0.1–0.2 mm wide.
2n

= 14.

Heuchera villosa var. villosa
Phenology Flowering Jun–Sep.
Habitat Shaded rocks and ledges, granite, gneiss, or acidic humus over limestone or shallow rocky soil
Elevation 100-2000 m (300-6600 ft)
Distribution
from FNA
AL; GA; IN; KY; MO; MS; NC; OH; PA; SC; TN; VA; WV
[BONAP county map]
Discussion

Variety villosa is found east of the Prairies in the southern Appalachian Mountains and Interior Plateau of Indiana, Kentucky, Ohio, and Tennessee. In the high mountains of North Carolina and Tennessee, the leaf lobes tend to be very sharp and narrowly triangular, and in the Interior Plateau the lobes tend to be rounded; considerable variation in lobe shape occurs throughout the range.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 89.
Parent taxa Saxifragaceae > Heuchera > Heuchera villosa
Sibling taxa
H. villosa var. arkansana
Synonyms H. macrorhiza, H. villosa var. intermedia, H. villosa var. macrorhiza
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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