Heuchera maxima |
Heuchera glomerulata |
|
---|---|---|
island alumroot, jill-of-the-rocks |
Chiricahua Mountain alum-root |
|
Habit | Herbs caulescent; caudex branched. | Herbs acaulescent; caudex branched. |
Flowering stems | 9–30 cm, short or long stipitate-glandular, viscid. |
25–40 cm, long stipitate-glandular. |
Leaves | petiole (7–22 cm), densely long stipitate-glandular; blade pentagonal to septagonal, deeply 5-lobed, 6.3–17 cm, base deeply cordate, lobes rounded, margins crenate, apex obtuse, surfaces long stipitate-glandular abaxially, glabrous adaxially except long stipitate-glandular near margins, viscid. |
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. |
Inflorescences | dense. |
dense, (interrupted). |
Flowers | hypanthium radially symmetric, free 0.3–1.4 mm, white to pink, hemispheric, 2.5–4.2 mm, densely long stipitate-glandular; sepals somewhat spreading, green- or red-tipped, equal, 0.7–2 mm, apex rounded or truncate, (medium to long stipitate-glandular); petals spreading, white, oblong-lanceolate, (clawed), unlobed, 2–4 mm, margins entire; stamens exserted 0.4–2.5 mm; styles exserted to 2 mm, 1.5–4 mm, 0.1+ mm diam. |
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. |
Capsules | ovoid, 4–8 mm, beaks divergent, not papillose. |
ovoid, 4–5 mm, beaks divergent, not papillose. |
Seeds | black, broadly fusiform, 0.4 mm. |
black, fusiform, 0.5 mm. |
2n | = 14. |
= 14. |
Heuchera maxima |
Heuchera glomerulata |
|
Phenology | Flowering Mar–May. | Flowering May. |
Habitat | Exposed cliffs | Shaded, rocky slopes |
Elevation | 0-500 m (0-1600 ft) | 1300-2000 m (4300-6600 ft) |
Distribution |
CA
|
AZ; NM |
Discussion | Of conservation concern. Heuchera maxima is found on the northern Channel Islands (Anacapa, Santa Cruz, Santa Rosa), Santa Barbara County. Heuchera maxima is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
Source | FNA vol. 8, p. 93. | FNA vol. 8, p. 103. |
Parent taxa | Saxifragaceae > Heuchera | Saxifragaceae > Heuchera |
Sibling taxa | ||
Name authority | Greene: Bull. Calif. Acad. Sci. 2: 149. 1886 , | Rosendahl: Minnesota Stud. Pl. Sci. 2: 155. (1936) |
Web links |