Heuchera micrantha |
Heuchera pilosissima |
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alum root, crevice alum-root, small-flower alumroot |
alum root, hairy alumroot, Parish's alumroot, seaside alum-root |
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| Habit | Herbs caulescent; caudex branched. | Herbs caulescent; caudex branched. | ||||||||||||||||
| Flowering stems | 6–57 cm, short to long stipitate-glandular or glabrous, viscid. |
3–22 cm, short to long stipitate-glandular, viscid. |
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| Leaves | petiole glabrous or sparsely to densely short to long stipitate-glandular; blade orbiculate to polygonal, shallowly to deeply 5–7(–9)-lobed, 2.5–10 cm, base cordate, lobes rounded, margins dentate, apex rounded or obtuse, surfaces glabrous or short to long stipitate-glandular, viscid. |
petiole (7–22 cm), densely long stipitate-glandular; blade suborbiculate or pentagonal or septagonal, deeply 5–7-lobed, 8–9 cm, base deeply cordate, lobes rounded, margins crenate, apex obtuse, surfaces moderately to densely long stipitate-glandular, viscid. |
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| Inflorescences | diffuse. |
dense. |
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| Flowers | hypanthium radially symmetric, free to 1.5 mm, greenish white, often tinged with red, obconic to hemispheric, broadly turbinate, or campanulate, 1–4.9 mm, long stipitate-glandular, sometimes short stipitate-glandular proximally; sepals spreading to nearly erect, green- or red-tipped, equal, 0.5–1.8 mm, apex rounded to acute or mucronate; petals often coiled, white or pale pink, oblanceolate, (narrowly clawed), unlobed, 1.6–3.3 mm (2–3 times as long as sepals), margins entire; stamens exserted to 3 mm; styles exserted to 2.5 mm, 0.2–4.2 mm, to 0.1 mm diam. |
hypanthium radially symmetric, free to 1.6 mm, pink, hemispheric, 2–3 mm, densely long stipitate-glandular; sepals erect, green- or red-tipped, equal, 0.8–2.2 mm, apex obtuse; petals spreading, white or pink, oblong-elliptic, unlobed, 1.5–3.5 mm, margins entire; stamens exserted 0.4–2.3 mm; styles exserted 1–1.4 mm, 1.5–2 mm, 0.1+ mm diam. |
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| Capsules | ovoid, 3–8.5 mm, beaks divergent, not papillose. |
ovoid, 2.5–10 mm, beaks divergent, not papillose. |
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| Seeds | black, broadly ellipsoid, (not curved), 0.5–0.8 mm. |
black, broadly fusiform, 0.6 mm. |
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| 2n | = 14, 28. |
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Heuchera micrantha |
Heuchera pilosissima |
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| Phenology | Flowering Mar–Jun. | |||||||||||||||||
| Habitat | Pine belts on coastal bluffs on sandstone or decomposed granite | |||||||||||||||||
| Elevation | 10-500 m [30-1600 ft] | |||||||||||||||||
| Distribution |
CA; ID; OR; WA; BC
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CA; OR
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| Discussion | Varieties 5 (5 in the flora). The Skagit Indians rubbed pounded plants of Heuchera micrantha on hair to make it grow and applied it to cuts. The Thompson Indians used a mashed poultice of this root mixed with Douglas fir pitch for wounds. Chewed leaves and roots were spat on sores or wounds. Infusions of roots were taken for liver trouble and sore throat. Small, peeled, cleaned root pieces were chewed for mouth sores and gum boils (D. E. Moerman 1998). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Heuchera pilosissima occurs in the marine zone and in the Coast Ranges. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| Key |
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| Synonyms | H. hemisphaerica, H. pilosissima var. hemisphaerica | |||||||||||||||||
| Name authority | Douglas ex Lindley: Edwards’s Bot. Reg. 15: plate 1302. 1830 , | Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 5: 36. 1838 , | ||||||||||||||||
| Source | FNA vol. 8, p. 91. | FNA vol. 8, p. 93. | ||||||||||||||||
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