Mitella diversifolia |
Mitella nuda |
|
---|---|---|
angle-leaf Bishop's-cap, angle-leaf mitrewort, angleleaf miterwort |
bare-stem mitrewort, common mitrewort, naked Bishop's-cap, naked miterwort, naked mitrewort |
|
Habit | Plants not stoloniferous. | Plants usually stoloniferous. |
Flowering stems | 15–50(–65) cm. |
(2–)6–20(–25) cm. |
Leaves | petiole 3–10(–19) cm, short stipitate-glandular and sparsely long stipitate-glandular, longer hairs spreading or retrorse, white or reddish brown; blade cordate-ovate or triangular-cordate, longer than or ± as long as wide, 1.3–7.7(–9) × 1.2–7.1(–8) cm, margins 5- or 7-lobed, irregularly crenate or dentate, uniformly ciliate, apex of terminal lobe acute, surfaces short stipitate-glandular and sparsely long stipitate-glandular; cauline leaves absent or 1–2, proximal, alternate, petiolate, 0.3–3 × 0.3–1.6 cm. |
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, closely to remotely 8–35-flowered, 1(–2) flowers per node, weakly secund or not secund, 15–50(–65) cm, short stipitate-glandular and sparsely long stipitate-glandular proximally, short stipitate-glandular distally. |
1–3(–6), remotely (1–)2–15-flowered, 1 flower per node, not secund, long stipitate-glandular proximally, short stipitate-glandular distally. |
Pedicels | 0.2–1.5 mm, short stipitate-glandular. |
1–6 mm, short stipitate-glandular. |
Flowers | hypanthium obconic-campanulate, 1.2–1.8 × 1.4–2.2 mm; sepals erect or spreading, whitish, oblong-ovate to oblong-triangular or triangular, (0.6–)0.9–1.2 × 0.6–1 mm; petals white, sometimes pink or purple tinged, 3–5-lobed, 1–1.5 mm, lobes linear, lateral lobes ascending; stamens 5, opposite sepals; filaments white, 0.2–0.3 mm; anthers 0.1–0.2 × 0.1–0.2 mm; ovary at least 3/4 inferior; styles spreading, flattened, 0.1–0.2 mm; stigmas indistinctly 2-lobed. |
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, 0.8–1.4 mm, pitted. |
dark reddish brown or blackish, 0.8–1.2 mm, nearly smooth. |
2n | = 14. |
= 14, 28. |
Mitella diversifolia |
Mitella nuda |
|
Phenology | Flowering May–Jul. | Flowering May–Aug. |
Habitat | Moist woods, stream banks | Moist to wet woods, damp coniferous woods, northern hardwood forests, thickets, swamps, stream banks, bogs |
Elevation | 500-2000 m (1600-6600 ft) | 0-3500 m (0-11500 ft) |
Distribution |
CA; OR; WA
|
AK; CT; IA; ID; MA; ME; MI; MN; MT; ND; NH; NY; PA; VT; WA; WI; AB; BC; MB; NB; NL; NS; NT; NU; ON; PE; QC; SK; YT; SPM; e Asia
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Discussion | Mitella diversifolia occurs from Klickitat County, Washington, south to El Dorado County, California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
D. E. Moerman (1998) reported that the Cree Indians of Saskatchewan used the crushed leaves of Mitella nuda to treat earaches. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 113. | FNA vol. 8, p. 110. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Ozomelis diversifolia | M. prostrata |
Name authority | Greene: Pittonia 1: 32. 1887 , | Linnaeus: Sp. Pl. 1: 406. 1753· Naked mitrewort, mitrelle nue, |
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