Micranthes rufidula
in N. L. Britton et al., N. Amer. Fl. 22: 140. 1905,.
Plants solitary or in groups, with bulbils on caudices, or rhizomatous. Leaves basal; petiole flattened, 4–8 cm; blade ovate to elliptic, 1–4 cm, fleshy, base attenuate to ± truncate, margins serrate (15–30- toothed), eciliate, surfaces densely tangled, reddish brown-hairy abaxially, glabrous adaxially. Inflorescences 15+-flowered, open, flat-topped thyrses, 5–20 cm, purple-tipped stipitate-glandular; (bracts often tangled brown-hairy). Flowers: sepals spreading, ovate, (often tangled brown-hairy); petals white, not spotted, ovate to elliptic, clawed, 2–4 mm, longer than sepals; filaments linear, flattened to slightly club-shaped; pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). Capsules greenish to reddish purple, folliclelike. 2n = 20, 38, 56, 58.
Phenology: Flowering late winter–summer.
Habitat: Wet to dry, rocky ledges
Elevation: 0-3000 m
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
"full" is not a number.