Origin: Native
Conservation Status: Not of concern
Tufted or clumping perennials, 5-25 cm, from heavy, long, creeping rhizome; stems erect and somewhat flattened.
Basal leaves 2-5, cauline leaves 2-4; auricles absent or, when present, 0.5-1.5 mm, apex acute; blade flat, 5-15 cm long and 2-3 mm wide.
Condensed cymes, 1-6, each with 3-7 flowers, open to aggregate, 2-6 cm; primary bract or distal leaves typically longer than inflorescence.
Tepals usually brown, ovate-oblong, 3-4 mm, margins scarious, inner whorl slightly short and minutely papillate; stamens 6, filaments 0.8-1.4 mm, anthers 0.8-1.4 mm; style 1mm.
Capsules 3-chambered, narrowly ovoid, 4-5 mm; seeds narrowly ovoid, 0.3 mm, tails absent.
PNW Herbaria: Specimen records of Juncus covillei in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Juncus covillei checklist entry.
E-Flora BC: Juncus covillei atlas page.
CalPhotos: Juncus covillei photos.
USDA Plants: Juncus covillei information.