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urn-flower alum-root

hairy alum-root, maple-leaf alum-root

Habit Herbs subcaulescent; caudex branched. Herbs caulescent; caudex branched.
Flowering stems

10–40 cm, sparsely medium stipitate-glandular.

10–85 cm, long stipitate-glandular.

Leaves

petiole long stipitate-glandular;

blade reniform or orbiculate, shallowly 5-lobed, 1.5–3.5 cm, base cordate or truncate, lobes rounded, margins dentate, apex obtuse, surfaces short or long stipitate-glandular.

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 strongly bilaterally symmetric, free 3–3.5 mm on adaxial side, pink to purplish, narrowly cylindric or cylindric-urceolate, 4–7 mm, short stipitate-glandular proximally, densely long stipitate-glandular distally;

sepals spreading, green-tipped, unequal, 2 mm on adaxial side of hypanthium, apex obtuse or rounded;

petals spreading, white, broadly oblanceolate, (clawed), unlobed, 3–4 mm (longer than sepals), margins entire;

stamens included 0.5 mm to exserted 0.5 mm;

styles included to 2 mm, 1.5–2 mm, 0.1+ mm diam.

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

urceolate, 4–6 mm, beaks divergent, not papillose.

ovoid, 3–6.4 mm, beaks divergent, not papillose.

Seeds

dark brown, ellipsoid, 0.7 mm.

dark brown, fusiform, 0.5–0.9 mm.

Inflorescenses

dense.

Heuchera elegans

Heuchera villosa

Phenology Flowering May–Jun.
Habitat Rocky sites in yellow pine and red fir forests
Elevation 1500-2600 m (4900-8500 ft)
Distribution
from FNA
CA
from FNA
AL; AR; GA; IN; KY; MO; MS; NC; OH; PA; SC; TN; VA; WV
[WildflowerSearch map]
[BONAP county map]
Discussion

Heuchera elegans occurs in the mountains of southern California, chiefly in the San Gabriel Range in Los Angeles and San Bernardino counties and vicinity. It resembles H. caespitosa. This group is in need of phylogenetic study.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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.
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.
var. arkansana
Source FNA vol. 8, p. 100. FNA vol. 8, p. 89.
Parent taxa Saxifragaceae > Heuchera Saxifragaceae > Heuchera
Sibling taxa
H. abramsii, H. alba, H. americana, H. bracteata, H. brevistaminea, H. caespitosa, H. caroliniana, H. chlorantha, H. cylindrica, H. eastwoodiae, H. glabra, H. glomerulata, H. grossulariifolia, H. hallii, H. hirsutissima, H. longiflora, H. maxima, H. merriamii, H. micrantha, H. novamexicana, H. parishii, H. parviflora, H. parvifolia, H. pilosissima, H. pubescens, H. pulchella, H. richardsonii, H. rubescens, H. sanguinea, H. villosa, H. wootonii
H. abramsii, H. alba, H. americana, H. bracteata, H. brevistaminea, H. caespitosa, H. caroliniana, H. chlorantha, H. cylindrica, H. eastwoodiae, H. elegans, H. glabra, H. glomerulata, H. grossulariifolia, H. hallii, H. hirsutissima, H. longiflora, H. maxima, H. merriamii, H. micrantha, H. novamexicana, H. parishii, H. parviflora, H. parvifolia, H. pilosissima, H. pubescens, H. pulchella, H. richardsonii, H. rubescens, H. sanguinea, H. wootonii
Subordinate taxa
H. villosa var. arkansana, H. villosa var. villosa
Name authority Abrams: Bull. S. Calif. Acad. Sci. 1: 67. 1902 , Michaux: Fl. Bor.-Amer. 1: 172. 1803 ,
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