Heuchera pilosissima |
Heuchera bracteata |
|
---|---|---|
alum root, hairy alumroot, Parish's alumroot, seaside alum-root |
bract alumroot, Rocky Mountain alumroot |
|
Habit | Herbs caulescent; caudex branched. | Herbs usually subcaulescent; caudex branched or unbranched. |
Flowering stems | 3–22 cm, short to long stipitate-glandular, viscid. |
leafy, 6–28(–38) cm, short stipitate-glandular. |
Leaves | 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. |
petiole short to medium stipitate-glandular; blade reniform or broadly ovate, shallowly 5–7-lobed, 1.5–4 cm, base subcordate or truncate, lobes rounded, margins sharply dentate, apex often mucronate, surfaces short stipitate-glandular or sparsely long stipitate-glandular abaxially, short stipitate-glandular adaxially. |
Inflorescences | dense. |
dense, (secund). |
Flowers | 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. |
hypanthium weakly bilaterally symmetric, free 0.5–1.5 mm, greenish yellow, narrowly campanulate, 3–5 mm, short stipitate-glandular; sepals erect, green-tipped, equal, 1–1.5 mm, apex rounded; petals erect, green, oblanceolate, unlobed, 2 mm, margins entire; stamens exserted 0.5–1 mm; styles exserted 1 mm, 1.5–2 mm, 0.1+ mm diam. |
Capsules | ovoid, 2.5–10 mm, beaks divergent, not papillose. |
ovoid, 4–6 mm, beaks divergent, not papillose. |
Seeds | black, broadly fusiform, 0.6 mm. |
brownish black, nearly straight along 1 side, convex on other side, 0.7–0.8 mm. |
2n | = 14, 28. |
|
Heuchera pilosissima |
Heuchera bracteata |
|
Phenology | Flowering Mar–Jun. | Flowering May–Jul. |
Habitat | Pine belts on coastal bluffs on sandstone or decomposed granite | Shaded rocky ledges and outcrops |
Elevation | 10-500 m (0-1600 ft) | 1700-3500 m (5600-11500 ft) |
Distribution |
CA; OR
|
CO; WY
|
Discussion | Heuchera pilosissima occurs in the marine zone and in the Coast Ranges. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Heuchera bracteata occurs in the Rocky Mountains and foothills of northern Colorado and southern Wyoming. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 93. | FNA vol. 8, p. 97. |
Parent taxa | Saxifragaceae > Heuchera | Saxifragaceae > Heuchera |
Sibling taxa | ||
Synonyms | H. hemisphaerica, H. pilosissima var. hemisphaerica | Tiarella bracteata |
Name authority | Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 5: 36. 1838 , | (Torrey) Seringe: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 4: 52. 1830 , |
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