Page author: Don Knoke
Luzula arcuata
curved woodrush

Distribution: Alaska, British Columbia, and Mt. Rainier, Washington.

Habitat: Rocky or gravelly soil, usually on moraines or above timberline.

Flowers: July - August

Origin: Native

Conservation Status: Threatened in Washington (WANHP)


Tufted, herbaceous perennials from short rhizomes, the slender stems 7-20 cm. tall.


Leaves with a closed, sheathing base and long, flat blades; basal leaves usually purplish-tinged.


: Inflorescence of 2-7 small, head-like clusters, on spreading and drooping, slender branches; perianth light to dark brown, the 6 segments sub-equal, about 2 mm. long; stamens 6, the anthers shorter than the filaments.


Capsule ovoid, about equal to the perianth.

Accepted Name:
Luzula arcuata (Wahlenb.) Sw.
Publication: Summa Veg. Scand. 13. 1814.

Synonyms & Misapplications:
(none provided)
ssp. unalaschcensis – curved woodrush
Additional Resources:

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

WA Flora Checklist: Luzula arcuata checklist entry.

E-Flora BC: Luzula arcuata atlas page.

CalPhotos: Luzula arcuata photos.

USDA Plants: Luzula arcuata information.

6 photographs:
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