Difference between revisions of "Micranthes tolmiei"

Revision as of 20:31, 24 September 2019

Copyright: Flora of North America Association

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

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.

Lower Taxa