Micranthes unalaschcensis
J. Bot. Res. Inst. Texas 1: 1022. 2007,.
Plants solitary or tufted, with bulbils on caudices or rhizomatous. Leaves basal; petiole flattened, 1–2 cm; blade broadly obovate to round, 1–3.5 cm, ± fleshy, base cuneate, margins distally toothed, sparsely ciliate, surfaces glabrous. Inflorescences 2–10-flowered, open thyrses, racemiform distally, sometimes solitary flowers, 3–15 cm, tangled-hairy. Flowers: sepals reflexed, ovate; petals white to cream or pinkish, not spotted, elliptic to oblong, ± clawed, 3.5–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary at least 1/2 inferior. Capsules dark purple, valvate.
Phenology: Flowering summer.
Habitat: Tundra, flushes, stream banks, slopes
Elevation: 0-600 m
Distribution
Alaska, e Asia (Russian Far East).
Discussion
The ovaries and capsules of Micranthes unalaschensis are ovoid, thicker and plumper than those of M. calycina and M. razshivinii, which are conic (E. Hultén 1968).
Selected References
None.