Page author: David Giblin
Ozomelis stauropetala
cross-shaped mitrewort, side-flowered mitrewort

Distribution: Occurring east of the Cascades crest in Washington; Washington to Oregon, east to Idaho, Montana, Wyoming, Colorado and Utah.

Habitat: Open to dense moist woods at mid-elevations in the mountains.

Flowers: May-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Slender herbaceous perennial from rhizomes, the several leafless flowering stems up to 5 dm. tall, usually with 1-2 tiny, membranous bracts.


Leaves all basal, long-petiolate, the blades reniform to cordate, often purplish-tinged, 2-8 cm. broad and somewhat shorter, inconspicuously 5- to 7-lobed, sparsely short-hairy.


Inflorescence an elongate, one-sided raceme, blossoming upwards, 10- to 35-flowered; pedicels 0.5-1.5 mm. long; calyx top-shaped, 4-6 mm. long, greenish-white, the 5 lobes oblong; petals white to purplish tinged, 2-4 mm. long, spreading, usually tri-lobed into filiform segments about as long as the claw; stamens 5, opposite the calyx lobes.


Ovary about 2/3 inferior; carpels 2.

Accepted Name:
Ozomelis stauropetala (Piper) Rydb.
Publication: N. Amer. Fl. 22: 95. 1905.

Synonyms & Misapplications:
Mitella stauropetala Piper [FNA8, HC]
Mitella stenopetala Piper
Additional Resources:

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

WA Flora Checklist: Ozomelis stauropetala checklist entry.

E-Flora BC: Ozomelis stauropetala atlas page.

CalPhotos: Ozomelis stauropetala photos.

USDA Plants: Ozomelis stauropetala information.

28 photographs:
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