Page author: Don Knoke
Luzula comosa
Pacific woodrush

Distribution: Uncommon west of the Cascades, British Columbia to California

Habitat: Gravelly prairies to moist, shaded areas in the lowlands

Flowers: April - July

Origin: Native

Conservation Status: Not of concern


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
var. comosa – pale woodrush
var. laxa – Pacific woodrush
Additional Resources:

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

WA Flora Checklist: Luzula comosa checklist entry.

E-Flora BC: Luzula comosa atlas page.

CalPhotos: Luzula comosa photos.

USDA Plants: Luzula comosa information.

30 photographs:
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