Heuchera glomerulata |
Heuchera eastwoodiae |
|
---|---|---|
Chiricahua Mountain alum-root |
Senator Mine alumroot |
|
Habit | Herbs acaulescent; caudex branched. | Herbs acaulescent; caudex unbranched. |
Flowering stems | 25–40 cm, long stipitate-glandular. |
30–50 cm, short or long 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 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, (interrupted). |
dense. |
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 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, 4–5 mm, beaks divergent, not papillose. |
ovoid, 5–7 mm, beaks divergent, not papillose. |
Seeds | black, fusiform, 0.5 mm. |
dark brown, asymmetrically ellipsoid or convex-fusiform, 0.6 mm. |
2n | = 14. |
|
Heuchera glomerulata |
Heuchera eastwoodiae |
|
Phenology | Flowering May. | Flowering May–Aug. |
Habitat | Shaded, rocky slopes | Shaded, rocky slopes |
Elevation | 1300-2000 m (4300-6600 ft) | 1500-1900 m (4900-6200 ft) |
Distribution |
AZ; NM |
AZ |
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 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. 103. | FNA vol. 8, p. 102. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Rosendahl: Minnesota Stud. Pl. Sci. 2: 155. (1936) | Rosendahl: Minnesota Stud. Pl. Sci. 2: 152. (1936) |
Web links |