Heuchera villosa

Michaux

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

Common names: Hairy or maple-leaved alum-root
Endemic
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.

Distribution

V8 165-distribution-map.gif

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

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

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

"full" is not a number.

... more about "Heuchera villosa"
epigynous +, perigynous +  and hypogynous +
rounded +, obtuse +  and acute +
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
Michaux +
cordate +  and nearly truncate +
not papillose +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
(5-)7-9+-lobed +, polygonal +, oblong +, orbiculate +  and rounded-cordate +
3 cm30 mm <br />0.03 m <br /> (26 cm260 mm <br />0.26 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.64 cm6.4 mm <br />0.0064 m <br />) +
3-carpellate +  and 2-carpellate +
Hairy or maple-leaved alum-root +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Ala. +, Ark. +, Ga. +, Ind. +, Ky. +, Miss. +, Mo. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
unisexual +  and bisexual +
bearing 1-5 cauline leaves +  and leafless +
10 cm100 mm <br />0.1 m <br /> (85 cm850 mm <br />0.85 m <br />) +
2-3(-4)-beaked +  and folliclelike +
multicellular +
pink +  and white +
glabrous +  and long-stipitate-glandular +
subglobose +  and obconic +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
bracteate +, not secund +  and 100-1000-flowered +
dense +  and diffuse +
opposite +  and alternate +
ovate;triangular +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
distinct +
unlobed +, oblanceolate +, lanceolate +  and linear +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
peltate +  and jointed +
long-stipitate-glandular +
unequal +
Fl. Bor.-Amer. +
dark-brown +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
fusiform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
green-tipped +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
unbranched +  and branched +
persistent +
horizontal +  and erect +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
long-stipitate-glandular +  and glabrous +
Heuchera villosa +
Heuchera +
species +
glandular-ciliate +  and ciliate +
crenate +  and dentate +
annual +, biennial +  and perennial +