Cicuta maculata
spotted water-hemlock
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.

Habitat: Marshes, ditches, and shorelines, from low to middle elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Annual to perennial herb, rarely a shrub or tree, generally from taproot; stems generally scapose, generally ribbed, hollow.

Leaves:

1-4 dm long, ovate to triangular-ovate, 1-2 or pinnate; leaflets 2-10 cm, lanceolate, acute or acuminate, coarsely to sparsely serrate, major veinlets on abaxial surface, generally circular or square, less often elongate.

Flowers:

Umbels compound, terminal and lateral; peduncles 2.5-12 cm; rays number 15-30, 2-4.5 cm each; pedicels number 15-30, 2-10 mm long.

Fruit:

Mericarps 3-4 mm long, generally ovate; rib width generally greater than intervals between.

Accepted Name:
Cicuta maculata L.
Publication: Sp. Pl. 1: 256. 1753.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. angustifolia – spotted water-hemlock    Occurring east of the Cascades crest in Washington; Alaska to California, east to the Great Lakes region and eastern Canada.
Additional Resources:

PNW Herbaria: Specimen records of Cicuta maculata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cicuta maculata checklist entry.

E-Flora BC: Cicuta maculata atlas page.

CalPhotos: Cicuta maculata photos.

USDA Plants: Cicuta maculata information.

4 photographs:
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