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

Lilaeopsis occidentalis J.M. Coult. & Rose
western lilaeopsis (western grasswort)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #11361)

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Distribution of Lilaeopsis occidentalis
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Species Information

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Perennial herb from rhizomes; erect stems lacking.
All basal, tufted, narrow, hollow tubes, 3-15 cm long, 1-4 mm wide, with 5-11 partitions.
Inflorescence of small umbrella-shaped clusters on slender stalks that are 0.5-4 cm long (usually much shorter than the leaves) and ascending to arched; flowers inconspicuous, 5-12, white.
Egg-shaped, about 2 mm long, glabrous, with pale, prominent, corky-thickened ribs.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet tidal marshes, mudflats and shores in the lowland zone; infrequent along the coast; N to S AK and S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Lilaeopsis occidentalis

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) 0 0 2
Slope Gradient (%) 0 5 10
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
180 315 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 5 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: CDF(9), CWH(1)


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