E-Flora BC: Electronic Atlas of the Flora of British Columbia

Cicuta bulbifera L.
bulbous water-hemlock (bulblet-bearing water hemlock)

Introduction to Vascular Plants

© RĂ©al Sarrazin  Email the photographer   (Photo ID #26849)

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Distribution of Cicuta bulbifera
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Species Information

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Stout perennial herb from a taproot or cluster of tuberous roots; stems single, not thickened at the base, erect, 0.3 to 1 m tall.
Basal leaves absent; stem leaves compound, divided 1-3 times; the middle and lower leaves dissected, narrowly linear; the upper leaves reduced with fewer segments, many bearing axillary bulbils; leaflets 3-5 cm long.
Inflorescence terminal in a compound umbel, white to greenish; calyx saw-toothed.
Rounded, 1.5-2 mm long, constricted where the carpels join, ribs broad.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet marshes and meadows in the montane zone; infrequent in BC N of 52degreeN and E of the Coast-Cascade Mountains; N to AK, YT and NT, E to NF and S to FL, NE and OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Cicuta bulbifera

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 634 969 1210
Slope Gradient (%) 0 0 2
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
30 30 30
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7 7 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ICH(1), SBPS(4), SBS(4)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References