Micranthes gormanii |
Micranthes palmeri |
|
---|---|---|
Gorman's saxifrage |
Palmer's saxifrage |
|
Habit | Plants in groups or, sometimes, almost mat-forming, rhizomatous. | Plants solitary or in clumps, with bulbils on caudices. |
Leaves | basal; petiole flattened, 5–7.5 cm; blade ovate to elliptic, 3–4 cm, fleshy, base attenuate, margins shallowly crenate-serrate, sparsely ciliate, surfaces tangled, reddish brown-hairy. |
basal; petiole flattened, 1–9 cm; blade ovate to elliptic, 2–8 cm, slightly fleshy, base attenuate, margins entire or subentire, ciliate, surfaces tangled, reddish brown-hairy. |
Inflorescences | (10–)30+-flowered, open, lax, strongly divaricately branched, conic thyrses, 8–30 cm, purple-tipped stipitate-glandular; (bracts glabrous, proximal marginally ciliate). |
30+-flowered, (flowers sometimes almost secund), very open, lax thyrses, 6–50 cm, hairy proximally, densely so distally. |
Flowers | sepals ascending, ovate to oblong, (margins eciliate, surfaces glabrous); petals white, not spotted, obovate to ± round, clawed, ca. 2 mm, ca. 1.5 times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary nearly 1/3 inferior, (to 1/3 adnate to hypanthium). |
sepals erect to ascending, ovate to triangular; petals white, not spotted, broadly oblong to elliptic, not clawed, 3–6 mm, 2+ times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary ± superior, (to 1/3 adnate to hypanthium). |
Capsules | greenish to reddish purple, folliclelike. |
green with reddish or purplish tinge, or reddish purple, folliclelike. |
2n | = 20, 38, 40. |
|
Micranthes gormanii |
Micranthes palmeri |
|
Phenology | Flowering spring. | Flowering spring. |
Habitat | Wet, rocky ledges and slopes | Rocky, open woodlands |
Elevation | 0-1000 m (0-3300 ft) | 100-1000 m (300-3300 ft) |
Distribution |
OR; WA
|
AR; OK |
Source | FNA vol. 8, p. 62. | FNA vol. 8, p. 61. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga gormanii, Saxifraga occidentalis var. dentata | Saxifraga palmeri, Saxifraga virginiensis var. subintegra |
Name authority | (Suksdorf) Brouillet & Gornall: J. Bot. Res. Inst. Texas 1: 1020. 2007 , | Bush: Amer. Midl. Naturalist 11: 221. 1928 , |
Web links |
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