Difference between revisions of "Micranthes tolmiei"
J. Bot. Res. Inst. Texas 1: 1022. 2007 ,.
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Latest revision as of 23:47, 5 November 2020
Plants mat-forming, (stems trailing, thin, basally slightly woody), with slender, woody caudices. Leaves cauline, proximally crowded; petiole absent; blade elliptic-obovate, 0.8–1.5 cm, fleshy, base cuneate, margins entire, sometimes proximally sparsely long-ciliate, surfaces glabrous. Inflorescences 2–10-flowered, lax cymes, sometimes solitary flowers, 3–12 cm, glabrous or purplish- or pink-tipped stipitate-glandular; (bracts 1–3, proximal). Flowers: sepals erect to spreading, ovate; petals white, not spotted, linear to oblanceolate, 2.5–5 mm, longer than sepals, short- or not clawed; filaments broadly club-shaped (± petaloid); pistils connate to 1/2 their lengths; ovary ± superior (to 1/4 adnate to hypanthium). Capsules green, purple mottled, valvate. 2n = 30.
Phenology: Flowering summer.
Habitat: Arctic and alpine tundra, fell-fields
Elevation: 500-4000 m
Distribution
![V8 89-distribution-map.gif](/w/images/d/d2/V8_89-distribution-map.gif)
B.C., Alaska, Calif., Idaho, Mont., Nev., Oreg., Utah, Wash.
Discussion
Unlike those of most Micranthes species, the leaves of M. tolmiei are proximally cauline and the ovules have two integuments. The seeds have a loose, winglike testa.
Selected References
None.