Heuchera elegans |
Heuchera parviflora |
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urn-flower alum-root |
cave alumroot, little-flower alum-root |
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Habit | Herbs subcaulescent; caudex branched. | Herbs acaulescent; caudex branched or unbranched. | ||||
Flowering stems | 10–40 cm, sparsely medium stipitate-glandular. |
9–45 cm, short to long stipitate-glandular, viscid. |
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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 usually long stipitate-glandular, sometimes short stipitate-glandular; blade (often purple abaxially), reniform to orbiculate, shallowly 5–7-lobed, 3–13 cm, base cordate, lobes rounded, margins crenate, apex obtuse, surfaces short or long stipitate-glandular abaxially, short stipitate-glandular adaxially, viscid. |
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Inflorescences | 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 to 0.3 mm, white or pink, obconic, 1.2–3.2 mm, short or moderately long stipitate-glandular; sepals erect, green-tipped, equal, 0.5–1.3 mm, apex rounded; petals reflexed, white or pink, narrowly oblanceolate, unlobed, 1.5–3.5 mm, margins entire; stamens exserted 1.2–3.2 mm; styles exserted 1–3 mm, 1.5–4 mm, to 0.1 mm diam. |
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Capsules | urceolate, 4–6 mm, beaks divergent, not papillose. |
ovoid, 2–5.7 mm, (minutely stipitate-glandular or glabrous), beaks divergent, not papillose. |
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Seeds | dark brown, ellipsoid, 0.7 mm. |
dark brown, ovoid, 0.4–0.6 mm, smooth. |
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Inflorescenses | dense. |
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Heuchera elegans |
Heuchera parviflora |
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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; IL; IN; KY; MO; MS; NC; 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). The specific epithet, parviflora, is similar to that of another species, Heuchera parvifolia, but these two species are distinct and have different legitimate names. The varieties of H. parviflora are not sympatric. The species merits phylogenetic study. The Blackfoot Indians applied a poultice of the pounded root to sores and swellings (D. E. Moerman 1998). (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. 90. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Abrams: Bull. S. Calif. Acad. Sci. 1: 67. 1902 , | Bartling: Index Seminum (Göttingen) 1838: 4. 1838 , | ||||
Web links |