Micranthes odontoloma

Plants solitary or sometimes grouped, rhizomatous. Leaves basal; petiole rounded, 2-30 cm; blade round, 7-40 cm, thin to slightly fleshy, base cordate to truncate, margins regularly dentate, eciliate, surfaces sparsely brownish hairy abaxially, glabrous adaxially. Inflorescences 10-30+-flowered, open, lax, flat-topped thyrses, 20-65(-85) cm, glabrous proximally, purple-tipped subsessile-glandular distally. Flowers: sepals reflexed, ovate to elliptic; petals white, each with 2 basal yellow spots, round to broadly elliptic, clawed, 3-4.5 mm, longer than sepals; filaments strongly club-shaped, (to 6 mm); pistils connate ca. 1/2 their lengths; ovary superior. Capsules green to purple, ± folliclelike. 2n = 24, 48.

Flowering summer-early autumn. Wet meadows and stream banks; 1500-4000 m; Alta., B.C.; Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Plant: perennial herb Leaves: all basal; blades more or less circular, 5-10 cm long, the base cordate, the margin dentate; petiole 2-30 cm long, usually expanded, sheathing at base INFLORESCENCE: 20-50 cm tall, open, sparsely covered with short, purple-tipped glandular hairs Flowers: more than 10; sepals reflexed, ovate to elliptic; petals 3-4.5 mm long, about equal to sepals, circular to elliptic, with 2 yellow spots, falling early; filaments obovoid; ovary superior; nectaries ribbon-like Fruit: FRUITS 2(-3) valved; SEEDS smooth to ridged Misc: Wet meadows and ledges; above 1200 m (4000 ft); Jun-Sep Notes: CAUDEX with rhizomes; bulblets 0 REFERENCES: Elvander, Patrick. 1992. Saxifragaceae. Ariz.-Nev. Acad. Sci. 26(1)2.