Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to south-central Washington, east to western Montana.
Habitat: Rocky or gravelly soil, usually on moraines or above timberline.
Flowers: July-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Pollination: Wind
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.
PNW Herbaria: Specimen records of Luzula arcuata in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Luzula arcuata checklist entry
OregonFlora: Luzula arcuata information
E-Flora BC: Luzula arcuata atlas page
CalPhotos: Luzula arcuata photos