Micranthes eriophora |
Micranthes rufidula |
|
---|---|---|
redfuzz saxifrage |
rusty-hair saxifrage |
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Habit | Plants solitary or in groups, with bulbils on caudices. | Plants solitary or in groups, with bulbils on caudices, or rhizomatous. |
Leaves | basal; petiole flattened, 0.5–2.5 cm; blade ovate to elliptic, 1–2 cm, ± fleshy, base attenuate, margins sharply serrate, sparsely to densely ciliate (some glandular-tipped), surfaces densely tangled, reddish brown-hairy abaxially, glabrous adaxially. |
basal; petiole flattened, 4–8 cm; blade ovate to elliptic, 1–4 cm, fleshy, base attenuate to ± truncate, margins serrate (15–30- toothed), eciliate, surfaces densely tangled, reddish brown-hairy abaxially, glabrous adaxially. |
Inflorescences | 10+-flowered, (flowers often secund), very open, lax, often flat-topped thyrses with distant lateral branches, 6–25 cm, pink- to purplish-tipped stipitate-glandular. |
15+-flowered, open, flat-topped thyrses, 5–20 cm, purple-tipped stipitate-glandular; (bracts often tangled brown-hairy). |
Flowers | sepals erect, triangular; petals white, sometimes purplish-tipped, not spotted, obovate to elliptic, not clawed or barely clawed, 4–7 mm, ca. 2 times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary 1/3–1/2 inferior. |
sepals spreading, ovate, (often tangled brown-hairy); petals white, not spotted, ovate to elliptic, clawed, 2–4 mm, longer than sepals; filaments linear, flattened to slightly club-shaped; pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). |
Capsules | purplish, valvate. |
greenish to reddish purple, folliclelike. |
2n | = 20, 38, 56, 58. |
|
Micranthes eriophora |
Micranthes rufidula |
|
Phenology | Flowering late winter–early summer. | Flowering late winter–summer. |
Habitat | Rocky slopes and ledges | Wet to dry, rocky ledges |
Elevation | 1900-3000 m (6200-9800 ft) | 0-3000 m (0-9800 ft) |
Distribution |
AZ; NM; Mexico (Baja California, Chihuahua)
|
CA; OR; WA; BC
|
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 62. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga eriophora | Saxifraga aequidentata, Saxifraga occidentalis subsp. rufidula, Saxifraga occidentalis var. rufidula, Saxifraga rufidula |
Name authority | (S. Watson) Small: in N. L. Britton et al., N. Amer. Fl. 22: 142. (1905) | Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) |
Web links |
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