Mitella breweri

Plants not stoloniferous. Flowering stems 8–25(–40) cm. Leaves: petiole 1.5–7.5(–12) cm, subglabrous or short stipitate-glandular and sparsely long stipitate-glandular, longer hairs spreading, reddish brown; blade broadly cordate to reniform, usually shorter than, sometimes ± as long as wide, 1.5–7.9 × 1.5–11 cm, margins shallowly 7-, 9-, or 11-lobed, singly or doubly crenate-dentate, glabrous or irregularly ciliate, apex of terminal lobe rounded, surfaces glabrous or sparsely short stipitate-glandular and sparsely long stipitate-glandular; cauline leaves absent. Inflorescences 1–2, densely (6–)20–40(–60)-flowered, 1–2(–3) flowers per node, not secund, 8–25(–40) cm, glabrous or sparsely arachnoid-pilose proximally, glandular-puberulent distally. Pedicels 1–2 mm, short stipitate-glandular. Flowers: hypanthium broadly saucer-shaped, 0.8–1.6 × 2.5–3.5 mm; sepals spreading, yellowish green or greenish, triangular to broadly triangular, 0.7–1 × 0.9–1.9 mm; petals greenish yellow or greenish, (4–)7–11-lobed, 1.5–2 mm, lobes linear, lateral lobes spreading; stamens 5, opposite sepals; filaments white or greenish, 0.1–0.2 mm; anthers 0.1–0.2 × 0.2–0.5 mm; ovary nearly completely inferior; styles divergent, flattened, 0.1–0.2 mm; stigmas 2-lobed. Seeds dark reddish brown or blackish, 0.8–1.2 mm, pitted. 2n = 14.

Phenology: Flowering May–Sep.
Habitat: Moist forests, glades, stream banks, meadows, open to wooded mountain slopes
Elevation: 500-3500 m

Alta., B.C., Calif., Idaho, Mont., Nev., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa