Mitella nuda

Plants usually stoloniferous. Flowering stems (2–)6–20(–25) cm. Leaves: petiole 1.2–8(–10) cm, short stipitate-glandular, longer hairs usually retrorse, sometimes spreading, white; blade cordate to reniform, ± as long as wide, (0.4–)1.1–4.7(–8) × (0.4–)1.2–4.8(–7.5) cm, margins unlobed or shallowly 3-lobed, singly crenate, irregularly ciliate, apex of terminal lobe obtuse to rounded, surfaces sparsely glandular-puberulent and glandular-hirsute; cauline leaves absent or 1, proximal, sessile or subsessile, blade 0.4–1.6(–2.8) × 0.8–2.6 cm. Inflorescences 1–3(–6), remotely (1–)2–15-flowered, 1 flower per node, not secund, long stipitate-glandular proximally, short stipitate-glandular distally. Pedicels 1–6 mm, short stipitate-glandular. Flowers: hypanthium broadly campanulate, 1.5–2.5 × 2.5–3.5 mm; sepals spreading or recurved, greenish white, ovate to triangular-ovate, 1.5–2.4 × 1–1.8 mm; petals greenish yellow or greenish white, 9–11-lobed, (2–)3.5–5 mm, lobes linear, lateral lobes spreading; stamens 10, opposite and alternate with sepals; filaments white or greenish white, 0.3–0.5 mm; anthers 0.2–0.3 × 0.2–0.3 mm; ovary 1/3–1/2 inferior; styles erect or spreading, cylindric, 0.4–0.6 mm; stigmas unlobed. Seeds dark reddish brown or blackish, 0.8–1.2 mm, nearly smooth. 2n = 14, 28.

Phenology: Flowering May–Aug.
Habitat: Moist to wet woods, damp coniferous woods, northern hardwood forests, thickets, swamps, stream banks, bogs
Elevation: 0-3500 m

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Idaho, Iowa, Maine, Mass., Mich., Minn., Mont., N.H., N.Y., N.Dak., Pa., Vt., Wash., Wis., e Asia.

Discussion

D. E. Moerman (1998) reported that the Cree Indians of Saskatchewan used the crushed leaves of Mitella nuda to treat earaches.

Selected References

None.

Lower Taxa