Page authors: Don Knoke, David Giblin
Angelica arguta
Lyall's angelica, sharptooth angelica
WTU specimens
Other herbaria

Distribution: Both sides of the Cascades in Washington; British Columbia south to California, east to Alberta and Utah.

Habitat: Stream banks, wet meadows, marshes and bottomlands, from the foothills and valleys to moderate elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Robust perennial from a stout taproot, 5-20 dm. tall, mostly glabrous.

Leaves:

Leaves large, ternately-pinnately twice compound, the base of the petiole sheathing; leaflets ovate to lanceolate, pointed, 4-14 cm. long and 1.5-8 cm. wide, serrate or doubly serrate.

Flowers:

Compound umbels 2 or more, rays of the umbel 18-45, unequal, up to 8 cm. long; involucre wanting; involucels wanting, or a few inconspicuous bractlets; calyx obsolete; petals 5, white, glabrous.

Fruits:

Ovary inferior, 2-celled, glabrous, the stylopodium broadly conic; fruit broadly elliptic to orbicular, 4-7 cm. long and 4-5 mm. wide, with narrowly-winged dorsal ribs and lateral wings nearly as wide as the body.

Accepted Name:
Angelica arguta Nutt.

Synonyms & Misapplications:
Angelica lyallii S. Watson
Angelica piperi
Additional Resources:

PNW Herbaria: Specimen records of Angelica arguta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Angelica arguta checklist entry.

E-Flora BC: Angelica arguta atlas page.

CalPhotos: Angelica arguta photos.

USDA Plants: Angelica arguta information.

52 photographs:
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