Page author: David Giblin
Ozomelis diversifolia
angle-leaf bishop's-cap

Distribution: Occurring along the Cascades crest in south-central Washington; southern Washington to northwestern California.

Habitat: Moist woods and stream banks at moderate to high elevations.

Flowers: May-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Review Group 1 in Washington (WANHP)


Perennial herbs from rhizomes, without stolons, the flower stems ascending to erect, 6-55 cm. tall, nearly glabrous or with stalked glands.


Leaves basal and cauline, the cauline leaves 0-3, alternate or opposite; stipules present; petioles usually present, cauline leaves sometimes sessile; leaf blades ovate or cordate, palmately veined, usually lobed, the base cordate or truncate, the margins with rounded teeth.


Inflorescence a terminal, 2- to 60-flowered raceme, sometimes one-sided; calyx attached to ovary most of its length, the 5 lobes white, greenish-white or yellowish-green; petals 5, greenish, greenish-yellow, or white, with a slender claw; stamens 5 or 10; carpels 2, fused almost the entire length.


Capsules obscurely 2-beaked.

Accepted Name:
Ozomelis diversifolia (Greene) Rydb.
Publication: N. Amer. Fl. 22: 94. 1905.

Synonyms & Misapplications:
Mitella diversifolia Greene [FNA8, HC]
Additional Resources:

PNW Herbaria: Specimen records of Ozomelis diversifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Ozomelis diversifolia checklist entry.

E-Flora BC: Ozomelis diversifolia atlas page.

CalPhotos: Ozomelis diversifolia photos.

USDA Plants: Ozomelis diversifolia information.

5 photographs:
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