Heuchera abramsii |
Heuchera eastwoodiae |
|
---|---|---|
Abrams' alumroot, San Gabriel alum-root |
Senator Mine alumroot |
|
Habit | Herbs subcaulescent; caudex branched. | Herbs acaulescent; caudex unbranched. |
Flowering stems | 6–15 cm, short stipitate-glandular. |
30–50 cm, short or long stipitate-glandular. |
Leaves | petiole glabrous or short stipitate-glandular and scattered medium stipitate-glandular; blade ovate, deeply 5-lobed, 0.5–2 cm, base truncate or shallowly cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular abaxially, sparsely long stipitate-glandular adaxially. |
petiole nearly glabrous or short to long stipitate-glandular; blade (purple abaxially, variegated adaxially), orbiculate-cordate, shallowly 5-lobed, 2.5–8.5 cm, base cordate, lobes rounded, margins dentate, apex short-apiculate, surfaces short to long stipitate-glandular abaxially, short stipitate-glandular or sparsely long stipitate-glandular adaxially. |
Inflorescences | dense. |
dense. |
Flowers | hypanthium strongly bilaterally symmetric, free 1.5–2 mm on adaxial side, reddish purple, cylindric, 4–5 mm, short stipitate-glandular proximally, medium stipitate-glandular distally; sepals spreading, green-tipped, unequal, 1.2–1.5 mm, apex obtuse or rounded; petals spreading, white, spatulate or oblanceolate, rarely linear, unlobed, 1.5–2.5 mm (equaling or longer than sepals), margins entire; stamens barely included to 1.5 mm exserted; styles exserted 1.5–2 mm, 2.5–3 mm, 0.1+ mm diam. |
hypanthium weakly bilaterally symmetric, free 1.5–2 mm, cream or greenish, broadly turbinate or campanulate, 3–4.5 mm, short or sparsely medium stipitate-glandular; sepals 6, incurved at apex, red-tipped, equal, 1–1.5 mm, apex acute; petals absent or (1–)6 and much reduced, erect, greenish, lanceolate, unlobed, 1 mm, margins entire; stamens 6, included 1 mm; styles included 1.5 mm, to 1 mm, 0.1+ mm diam. |
Capsules | ovoid, 3.5–5 mm, beaks divergent, not papillose. |
ovoid, 5–7 mm, beaks divergent, not papillose. |
Seeds | dark brown, ellipsoid, 0.6 mm. |
dark brown, asymmetrically ellipsoid or convex-fusiform, 0.6 mm. |
Heuchera abramsii |
Heuchera eastwoodiae |
|
Phenology | Flowering Jul–Aug. | Flowering May–Aug. |
Habitat | Rocky soil in red fir forest | Shaded, rocky slopes |
Elevation | 2800-3100 m (9200-10200 ft) | 1500-1900 m (4900-6200 ft) |
Distribution |
CA |
AZ |
Discussion | Heuchera abramsii occurs in the San Antonio Mountains and the eastern part of the San Gabriel Mountains, San Bernardino and Los Angeles counties. It closely resembles H. brevistaminea, H. caespitosa, H. elegans, and H. pulchella. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Heuchera eastwoodiae occurs in central Arizona and is unique in the genus for its hexamerous flowers. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 99. | FNA vol. 8, p. 102. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Rydberg: in N. L. Britton et al., N. Amer. Fl. 22: 109. 1905 , | Rosendahl: Minnesota Stud. Pl. Sci. 2: 152. (1936) |
Web links |