Micranthes eriophora |
Micranthes careyana |
|
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redfuzz saxifrage |
Carey's saxifrage |
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Habit | Plants solitary or in groups, with bulbils on caudices. | Plants often mat-forming, with extensive rhizomes. |
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, 1–7 cm; blade rounded or broadly ovate to oblong, 1–7 cm, thin, base truncate, margins coarsely serrate to dentate, sparsely ciliate, surfaces sparsely to ± densely tangled, reddish brown-hairy. |
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. |
40+-flowered, lax, open thyrses, 10–40(–50) cm, 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 spreading, broadly ovate; petals white, sometimes some with 2 faint, basal yellow spots (sometimes fading upon drying), narrowly ovate to elliptic, clawed, 2–4(–5) mm, 2+ times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). |
Capsules | purplish, valvate. |
green, ± purple tinged, folliclelike. |
Micranthes eriophora |
Micranthes careyana |
|
Phenology | Flowering late winter–early summer. | Flowering spring–early summer. |
Habitat | Rocky slopes and ledges | Moist soil at bases of vertical or overhanging rock outcrops, seeps |
Elevation | 1900-3000 m (6200-9800 ft) | 500-1600 m (1600-5200 ft) |
Distribution |
AZ; NM; Mexico (Baja California, Chihuahua)
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AL; GA; KY; NC; TN; VA; WV |
Discussion | Micranthes careyana is very similar to M. caroliniana; both are in need of study. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 61. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga eriophora | Saxifraga careyana, Saxifraga tennesseensis |
Name authority | (S. Watson) Small: in N. L. Britton et al., N. Amer. Fl. 22: 142. (1905) | (A. Gray) Small: Fl. S.E. U.S., 501. 1903 , |
Web links |