Difference between revisions of "Micranthes marshallii"
in N. L. Britton et al., N. Amer. Fl. 22: 145. 1905 ,.
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|genus=Micranthes | |genus=Micranthes | ||
|species=Micranthes marshallii | |species=Micranthes marshallii | ||
Revision as of 18:04, 18 September 2019
Plants in groups or sometimes mat-forming, rhizomatous. Leaves basal; petiole flattened, 3–15 cm; blade ovate, 1–5 cm, ± fleshy, base attenuate, margins shallowly crenate-serrate (teeth ca. 2 mm), eciliate, surfaces sparsely tangled, reddish brown-hairy abaxially, glabrate adaxially. Inflorescences 15–50+-flowered, open, lax thyrses, 20–40 cm, purple-tipped stipitate-glandular. Flowers: sepals reflexed, lanceolate to oblong; petals white, with 2 basal yellow spots (often faded when dried), ovate, clawed, 1.5–4.5 mm, longer than sepals; filaments strongly club-shaped, sometimes petaloid (short-clawed, equaling petals); pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). Capsules greenish to reddish purple, folliclelike. 2n = 20.
Phenology: Flowering spring.
Habitat: Deeply shaded watercourses, stream banks, seeps
Elevation: 100-1000 m
Discussion
Selected References
None.