Page author: David Giblin
Pectiantia pentandra
five-stamen bishop's-cap, alpine mitrewort

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains of Canada and the U.S.

Habitat: Wet meadows and moist woods, especially along streams, lowlands to mid-elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Slender herbaceous perennial from rhizomes, occasionally with stolons, the stems nearly leafless, 2-3 dm. tall.


Leaves mostly basal, long-petiolate, the blades ovate-cordate, 2-5 cm. broad and somewhat longer, shallowly and indistinctly 5- to 9-lobed, the lobes with short, rounded teeth; stem occasionally has 1-2 membranous bracts.


Inflorescence elongate, racemose or somewhat paniculate, blossoming upwards, 6-25 flowered; pedicels 3-7 mm. long; calyx saucer-shaped, 2-3 mm. broad, the 5 lobes triangular; petals 5, greenish, pinnately divided into 8 filiform, often paired segments; stamens 5, opposite the petals.


Ovary almost completely inferior; carpels 2.

Accepted Name:
Pectiantia pentandra (Hook.) Rydb.

Synonyms & Misapplications:
Mitella pentandra Hook. [FNA8, HC]
Additional Resources:

PNW Herbaria: Specimen records of Pectiantia pentandra in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Pectiantia pentandra checklist entry.

OregonFlora: Pectiantia pentandra information.

E-Flora BC: Pectiantia pentandra atlas page.

CalPhotos: Pectiantia pentandra photos.

USDA Plants: Pectiantia pentandra information.

42 photographs:
Group by