Micranthes odontoloma |
Micranthes eriophora |
|
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brook saxifrage, stream saxifrage, streambank saxifrage |
redfuzz saxifrage |
|
Habit | Plants solitary or sometimes grouped, rhizomatous. | Plants solitary or in groups, with bulbils on caudices. |
Leaves | basal; petiole rounded, 2–30 cm; blade round, 7–40 cm, thin to slightly fleshy, base cordate to truncate, margins regularly dentate, eciliate, surfaces sparsely brownish hairy abaxially, glabrous adaxially. |
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. |
Inflorescences | 10–30+-flowered, open, lax, flat-topped thyrses, 20–65(–85) cm, glabrous proximally, purple-tipped subsessile-glandular distally. |
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. |
Flowers | sepals reflexed, ovate to elliptic; petals white, each with 2 basal yellow spots, round to broadly elliptic, clawed, 3–4.5 mm, longer than sepals; filaments strongly club-shaped, (to 6 mm); pistils connate ca. 1/2 their lengths; ovary superior. |
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. |
Capsules | green to purple, ± folliclelike. |
purplish, valvate. |
2n | = 24, 48. |
|
Micranthes odontoloma |
Micranthes eriophora |
|
Phenology | Flowering summer–early autumn. | Flowering late winter–early summer. |
Habitat | Wet meadows and stream banks | Rocky slopes and ledges |
Elevation | 1500-4000 m (4900-13100 ft) | 1900-3000 m (6200-9800 ft) |
Distribution |
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC
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AZ; NM; Mexico (Baja California, Chihuahua)
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Source | FNA vol. 8, p. 56. | FNA vol. 8, p. 64. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga odontoloma | Saxifraga eriophora |
Name authority | (Piper) A. Heller: Muhlenbergia 8: 60. 1912 , | (S. Watson) Small: in N. L. Britton et al., N. Amer. Fl. 22: 142. (1905) |
Web links |
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