Page author: Don Knoke
Lilaeopsis occidentalis
western grasswort, western lilaeopsis

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.

Habitat: Marshes, river banks, salt flats, muddy or sandy beaches and shores along and near the coast.

Flowers: June-July

Origin: Native

Conservation Status: Not of concern


Small perennial from a rhizome, with the leaves rising in tufts at intervals along the rhizome.


Leaves reduced to elongate, hollow, entire, transversely septate phyllodes; leaves 3-15 cm. long and 1-4 mm. wide, with 5-11 partitions.


Inflorescence of simple, axillary, pedunculate umbels; peduncles slender, 0.5-3 cm. long, recurved above, much shorter than the leaves; umbel 5- to 12-flowered, the calyx teeth minute, the flowers white; involucre of a few small bracts.


Fruit ovoid, 2 mm. long, the lateral ribs pale, corky-thickened and prominent, the dorsal ribs inconspicuous.

Accepted Name:
Lilaeopsis occidentalis J.M. Coult. & Rose
Publication: Bot. Gaz. 24: 48. 1897.

Synonyms & Misapplications:
Crantziola occidentalis
Lilaeopsis lineata var. occidentalis
Additional Resources:

PNW Herbaria: Specimen records of Lilaeopsis occidentalis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lilaeopsis occidentalis checklist entry.

E-Flora BC: Lilaeopsis occidentalis atlas page.

CalPhotos: Lilaeopsis occidentalis photos.

USDA Plants: Lilaeopsis occidentalis information.

17 photographs:
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