Heuchera glomerulata |
Heuchera elegans |
|
---|---|---|
Chiricahua Mountain alum-root |
urn-flower alum-root |
|
Habit | Herbs acaulescent; caudex branched. | Herbs subcaulescent; caudex branched. |
Flowering stems | 25–40 cm, long stipitate-glandular. |
10–40 cm, sparsely medium stipitate-glandular. |
Leaves | petiole short stipitate-glandular; blade (purple abaxially, variegated adaxially), ovate to orbiculate, shallowly 5-lobed, 2.5–9 cm, base cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular, long stipitate-glandular on veins abaxially, short stipitate-glandular and sparsely long stipitate-glandular adaxially. |
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. |
Inflorescences | dense, (interrupted). |
|
Flowers | hypanthium radially symmetric, free 0.8–1.2 mm, yellowish green, campanulate, 3.5–5 mm, densely long stipitate-glandular mixed with short stipitate-glandular; sepals erect or incurved at tip, green-tipped, equal, 1.5–2 mm, apex acute; petals erect, white, narrowly oblanceolate, (clawed), unlobed, 1.5–1.8 mm, margins entire; stamens included 0.5 mm; (filaments strongly incurved, slender, shorter than and almost concealed by anthers); styles included 1 mm, to 0.5 mm, 0.1+ mm diam. |
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. |
Capsules | ovoid, 4–5 mm, beaks divergent, not papillose. |
urceolate, 4–6 mm, beaks divergent, not papillose. |
Seeds | black, fusiform, 0.5 mm. |
dark brown, ellipsoid, 0.7 mm. |
Inflorescenses | dense. |
|
2n | = 14. |
|
Heuchera glomerulata |
Heuchera elegans |
|
Phenology | Flowering May. | Flowering May–Jun. |
Habitat | Shaded, rocky slopes | Rocky sites in yellow pine and red fir forests |
Elevation | 1300-2000 m (4300-6600 ft) | 1500-2600 m (4900-8500 ft) |
Distribution |
AZ; NM |
CA |
Discussion | Heuchera glomerulata occurs in the Chiricahua and Pinaleno mountains of southeastern Arizona and in New Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 8, p. 103. | FNA vol. 8, p. 100. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Rosendahl: Minnesota Stud. Pl. Sci. 2: 155. (1936) | Abrams: Bull. S. Calif. Acad. Sci. 1: 67. 1902 , |
Web links |