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

Ligusticum calderi Mathias & Constance
Calder's lovage (Calder's licorice-root)

Introduction to Vascular Plants
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Distribution of Ligusticum calderi
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Species Information

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Stout perennial herb from a taproot; stems 20-60 cm tall, leafy, with fibrous remains of leaf sheaths at the base.
Compound, mostly basal, divided into distinct toothed leaflets up to 3 cm long; stem leaves reduced, only 1 or 2.
Inflorescence in small, compound umbels with 7-14 small compact heads; flowers white; spokes of terminal umbels 15 or less; involucral bracts lacking.
Oblong to elliptic, 4-6 mm long, glabrous, with narrowly winged ribs.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist boggy or rocky slopes and meadows from the lowland to alpine zones; locally frequent on the Queen Charlotte Islands, infrequent on N Vancouver Island and adjacent mainland (near-shore islands); N to SE AK.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Ligusticum calderi

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) 10 517 990
Slope Gradient (%) 0 34 120
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 64 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 4 7
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: AT(3), CMA(7), CWH(22), MH(22)


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 subalpine boreal & cool mesothermal.

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