Heuchera parishii |
Heuchera merriamii |
|
---|---|---|
Mill Creek alum-root, Parish's alumroot |
Canyon Creek alumroot, Merriam's alumroot |
|
Habit | Herbs subcaulescent; caudex branched. | Herbs acaulescent; caudex branched or unbranched. |
Flowering stems | 8–40 cm, long stipitate-glandular, viscid. |
11–32 cm, long stipitate-glandular or glabrate. |
Leaves | petiole densely long stipitate-glandular; blade broadly ovate or reniform, deeply 5-lobed, 2–4 cm, base cordate or truncate, lobes rounded, margins dentate, apex obtuse, surfaces long stipitate-glandular, viscid. |
petiole (2.4–5 cm), moderately long stipitate-glandular; blade orbiculate, reniform, or pentagonal, shallowly 5–7-lobed, 2.5–4.5 cm, base shallowly cordate to truncate, lobes rounded, margins dentate, apex rounded to obtuse, surfaces finely long stipitate-glandular abaxially, sparsely long stipitate-glandular adaxially. |
Inflorescences | dense, (secund). |
dense; (bracts linear and scarious to 3–5-parted and herbaceous). |
Flowers | hypanthium strongly bilaterally symmetric, free 0.8 mm on abaxial side, 1.2–2 mm on adaxial side, weakly inflated, pink to reddish, narrowly campanulate, 3.5–6 mm, short stipitate-glandular proximally, long stipitate-glandular distally; sepals erect, green-tipped, unequal, 0.5–1 mm on abaxial side, 1.5–2 mm on adaxial side, apex rounded; petals spreading, pink, narrowly oblanceolate, unlobed, (unequal, shorter on abaxial side, resembling filaments), 2–3 mm (equaling or longer than sepals), margins entire; stamens exserted 1.5 mm; styles exserted 0.5–1.5 mm, 1.5–2.5 mm, 0.1+ mm diam. |
hypanthium radially symmetric, free 0.5–1.5 mm, pink, hemispheric, 3–5.5 mm, (base rounded), densely long stipitate-glandular; sepals erect, green- or red-tipped, equal, 1–2 mm (often wider than long), apex obtuse; petals erect, white, oblanceolate, (clawed), unlobed, 2–3.5 mm, margins entire; stamens exserted 0.8–2 mm; styles exserted 1–2 mm, 1.5–2.5 mm, 0.1+ mm diam. |
Capsules | ovoid, 4–6 mm, beaks divergent, not papillose. |
ovoid, 3–5 mm, beaks divergent, not papillose. |
Seeds | black, fusiform, rounded at 1 end, acute at other, ca. 0.9 mm. |
dark brown, ellipsoid, 0.6 mm. |
2n | = 14. |
|
Heuchera parishii |
Heuchera merriamii |
|
Phenology | Flowering Jul–Aug. | Flowering Jul–Aug. |
Habitat | Shaded rocky places in yellow pine and red fir forest | Exposed granite ledges in subalpine forests |
Elevation | 1500-3800 m (4900-12500 ft) | 1500-2500 m (4900-8200 ft) |
Distribution |
CA
|
CA; OR
|
Discussion | Of conservation concern. Heuchera parishii occurs in the San Bernardino Mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Heuchera merriamii is known from the Siskiyou and Trinity mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 98. | FNA vol. 8, p. 93. |
Parent taxa | Saxifragaceae > Heuchera | Saxifragaceae > Heuchera |
Sibling taxa | ||
Synonyms | H. alpestris | |
Name authority | Rydberg: in N. L. Britton et al., N. Amer. Fl. 22: 109. (1905) | Eastwood: Bull. Torrey Bot. Club 32: 199. 1905 (as merriami), |
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