Micranthes eriophora |
Micranthes nudicaulis |
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redfuzz saxifrage |
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Habit | Plants solitary or in groups, with bulbils on caudices. | Plants solitary or in clusters, stoloniferous, 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 rounded, 0.5–3.5 cm, (base expanded, stipulelike); blade somewhat reniform, (± evenly lobed), 0.5–2.5 cm, ± fleshy, base cordate to truncate, margins entire, sparsely glandular-ciliate, surfaces glabrous. |
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. |
5–20-flowered, branched cymes or flat-topped thyrses, 5–16 cm, sparsely purple-tipped stipitate-glandular. |
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 reflexed or, sometimes, spreading, triangular; petals white to cream (rarely pink), not spotted, broadly elliptic to ovate, short-clawed, 4–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary superior, (to 1/3 adnate to hypanthium). |
Capsules | purplish, valvate. |
dark purple-black, valvate. |
2n | = 40. |
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Micranthes eriophora |
Micranthes nudicaulis |
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Phenology | Flowering late winter–early summer. | Flowering summer. |
Habitat | Rocky slopes and ledges | Wet flushes, stream banks |
Elevation | 1900-3000 m (6200-9800 ft) | 0-800 m (0-2600 ft) |
Distribution |
AZ; NM; Mexico (Baja California, Chihuahua)
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AK; e Asia (Russian Far East) |
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 59. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga eriophora | Saxifraga nudicaulis |
Name authority | (S. Watson) Small: in N. L. Britton et al., N. Amer. Fl. 22: 142. (1905) | (D. Don) Gornall & H. Ohba: J. Bot. Res. Inst. Texas 1: 1021. (2007) |
Web links |