Micranthes eriophora |
Micranthes howellii |
|
---|---|---|
redfuzz saxifrage |
Howell's saxifrage |
|
Habit | Plants solitary or in groups, with bulbils on caudices. | Plants solitary or in groups, with bulbils on caudices. |
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, 1–4 cm; blade oblong to narrowly ovate, 1–2(–3) cm, ± fleshy, base attenuate, margins sharply serrate, eciliate, surfaces sparsely 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. |
5–10(–20)-flowered, very open, lax, ± flat-topped cymes or thyrses, 5–10(–20) cm, glabrate to sparsely purple-tipped stipitate-glandular; (bracts glabrous). |
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 strongly reflexed, elliptic, (surfaces glabrous); petals white, not spotted, obovate to elliptic, clawed, 2.5–4.5 mm, longer than sepals; filaments linear, flattened; pistils distinct almost to base; ovary ± superior. |
Capsules | purplish, valvate. |
purple, valvate. |
Micranthes eriophora |
Micranthes howellii |
|
Phenology | Flowering late winter–early summer. | Flowering early spring–early summer. |
Habitat | Rocky slopes and ledges | Wet, rocky ledges and crevices |
Elevation | 1900-3000 m (6200-9800 ft) | 0-900 m (0-3000 ft) |
Distribution |
AZ; NM; Mexico (Baja California, Chihuahua)
|
CA; OR
|
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 63. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga eriophora | Saxifraga howellii |
Name authority | (S. Watson) Small: in N. L. Britton et al., N. Amer. Fl. 22: 142. (1905) | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) |
Web links |