The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

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
from FNA
CA; OR; WA
[WildflowerSearch map]
from FNA
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
[WildflowerSearch map]
[BONAP county map]
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 Saxifragaceae > Mitella Saxifragaceae > Mitella
Sibling taxa
M. breweri, M. caulescens, M. diphylla, M. nuda, M. ovalis, M. pentandra, M. stauropetala, M. trifida
M. breweri, M. caulescens, M. diphylla, M. diversifolia, M. ovalis, M. pentandra, M. stauropetala, M. trifida
Synonyms Ozomelis diversifolia M. prostrata
Name authority Greene: Pittonia 1: 32. 1887 , Linnaeus: Sp. Pl. 1: 406. 1753· Naked mitrewort, mitrelle nue,
Web links