Heuchera elegans |
Heuchera villosa |
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urn-flower alum-root |
hairy alum-root, maple-leaf alum-root |
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Habit | Herbs subcaulescent; caudex branched. | Herbs caulescent; caudex branched. | ||||
Flowering stems | 10–40 cm, sparsely medium stipitate-glandular. |
10–85 cm, long stipitate-glandular. |
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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. |
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Inflorescences | dense to diffuse. |
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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. |
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Capsules | urceolate, 4–6 mm, beaks divergent, not papillose. |
ovoid, 3–6.4 mm, beaks divergent, not papillose. |
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Seeds | dark brown, ellipsoid, 0.7 mm. |
dark brown, fusiform, 0.5–0.9 mm. |
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Inflorescenses | dense. |
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Heuchera elegans |
Heuchera villosa |
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Phenology | Flowering May–Jun. | |||||
Habitat | Rocky sites in yellow pine and red fir forests | |||||
Elevation | 1500-2600 m (4900-8500 ft) | |||||
Distribution |
CA |
AL; AR; GA; IN; KY; MO; MS; NC; OH; PA; SC; TN; VA; WV
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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.) |
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Key |
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Source | FNA vol. 8, p. 100. | FNA vol. 8, p. 89. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Abrams: Bull. S. Calif. Acad. Sci. 1: 67. 1902 , | Michaux: Fl. Bor.-Amer. 1: 172. 1803 , | ||||
Web links |