Micranthes rufidula


in N. L. Britton et al., N. Amer. Fl. 22: 140. 1905,.

Synonyms: Saxifraga aequidentata (Small) Rosendahl Saxifraga occidentalis subsp. rufidula (Small) Bacigalupi Saxifraga occidentalis var. rufidula (Small) C. L. Hitchcock Saxifraga rufidula
Treatment appears in FNA Volume 8. Treatment on page 62. Mentioned on page 54, 63, 70.

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


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B.C., Calif., Oreg., Wash.


Selected References


Lower Taxa

... more about "Micranthes rufidula"
Luc Brouillet +  and Patrick E. Elvander† +
B.C. +, Calif. +, Oreg. +  and Wash. +
0-3000 m +
Wet to dry, rocky ledges +
Flowering late winter–summer. +
in N. L. Britton et al., N. Amer. Fl. +
Saxifraga aequidentata +, Saxifraga occidentalis subsp. rufidula +, Saxifraga occidentalis var. rufidula +  and Saxifraga rufidula +
Micranthes rufidula +
Micranthes +
species +