Page authors: Don Knoke, David Giblin
Luzula comosa
Pacific woodrush

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.

Habitat: Coastal to montane openings, rocky slopes, forests and shores.

Flowers: April-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Wind


Tufted perennials, without stolons, the stems 10-40 cm. tall.


Basal leaves 5-15 cm. long and 3-7 mm. broad, the margins with long, soft, wavy hairs; leaf bases sheathing, the throats of the sheaths with long, soft, wavy hairs.


Inflorescence of 1-6 umbellate or sessile glomerules, spheric to nearly cylindric, 5-15 mm. long and 5-7 mm. wide, the branches straight, divergent; perianth 2-5 mm. long, dark brown to pale with clear margins, the outer 3 tepals longer than the inner 3.


Capsules spheric, greenish to dark brown, usually shorter than the perianth.

Accepted Name:
Luzula comosa E. Mey.
Publication: Syn. Luzul. 21. 1823.

Synonyms & Misapplications:
Luzula congesta (Thuill.) Lej., misapplied
Additional Resources:

PNW Herbaria: Specimen records of Luzula comosa in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Luzula comosa checklist entry

OregonFlora: Luzula comosa information

E-Flora BC: Luzula comosa atlas page

CalPhotos: Luzula comosa photos

34 photographs:
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