bulbous water-hemlock (bulblet-bearing water hemlock)
Apiaceae
Introduction to Vascular Plants
Species Information
General:
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.
Leaves:
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.
Flowers:
Inflorescence terminal in a compound umbel, white to greenish; calyx saw-toothed.
Fruits:
Rounded, 1.5-2 mm long, constricted where the carpels join, ribs broad.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
969 | 634 | 1210 |
| Slope
Gradient (%) |
0 | 0 | 2 |
|
Aspect (degrees) |
30 | 30 | 30 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 7 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
9 | ||
| Modal
BEC Zone Class |
SBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ICH(1), SBPS(4), SBS(4) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and 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.Status Information
Taxonomic Keys
KEY TO CICUTA
1. Axils of leaves with bulblets; leaflets with narrowly linear segments C. bulbifera 1. Axils of leaves without bulblets; leaflets lanceolate. 2. Fruits slightly broader than long; midvein on upper leaflet surface scabrous C. virosa 2. Fruits from as broad as long to longer than broad; midvein on upper leaflet surface glabrous. 3. Leaflets 3-4 times as long as broad, lanceolate to narrowly oblong or elliptic; fruit with a narrow raised border along edge of dark interval C. douglasii Leaflets more than 5 times as long as broad, linear to narrowly lanceolate; fruit without a raised border along edge of dark interval C. maculata |