Page authors: Don Knoke, David Giblin
Cicuta bulbifera
bulblet-bearing water-hemlock, bulbous water-hemlock

Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to southern Oregon, east to Newfoundland and Virginia,

Habitat: Marshes, bogs, wet meadows and standing water, lowlands to mountain valleys.

Flowers: July-September

Origin: Native

Conservation Status: Sensitive in Washington (WANHP)


Slender, glabrous, usually single-stemmed perennials, 3-10 dm. tall, the stem not much thickened at the base and sometimes without thickened roots.


Leaves all cauline, the lower and middle ones dissected, with narrowly-linear, usually entire segments 0.5-4 cm. long and 0.5-1.5 mm. wide; the upper leaves reduced, with fewer segments or undivided, many of them bearing axillary bulbils.


Umbels frequently wanting, or present but not maturing fruit; umbels compound, the rays 1-2.5 cm. long, involucre wanting; involucel of several narrow bractlets; calyx teeth evident; petals 5, greenish-white.


Stylopodium depressed; fruit orbicular, glabrous, 1.5-2 mm. long, the ribs broader than the narrow intervals.

Accepted Name:
Cicuta bulbifera L.
Publication: Sp. Pl. 1: 255. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Cicuta bulbifera checklist entry.

E-Flora BC: Cicuta bulbifera atlas page.

CalPhotos: Cicuta bulbifera photos.

USDA Plants: Cicuta bulbifera information.

20 photographs:
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