Juncus covillei

Piper
Contributions from the U. S. National Herbarium 11: 182. 1906.
Common names: Coville's rush
Basionym: Juncus falcatus var. paniculatus Engelmann Trans. Acad. Sci. St. Louis 2: 495. 1868,
Treatment appears in FNA Volume 22.

Herbs, perennial, strongly rhizomatous, 0.5–2.5 dm. Culms erect, slightly flattened. Leaves: basal 2–5, cauline 2–4; auricles absent or, if present, 0.5–1.5 mm, apex acute; blade flat, 5–15 cm × 2–3 mm. Inflorescences glomerules, 1–6, each with 3–7 flowers, open to aggregate, 2–6 cm; primary bract or distal leaves usually exceeding inflorescences. Flowers: tepals usually brown, ovate-oblong, 3–4 mm, margins scarious; inner series slightly shorter, minutely papillate; stamens 6, filaments 0.8–1.4 mm, anthers 0.8–1.4 mm; style 1 mm. Capsules 3-locular, narrowly ovoid, 4–5 mm. Seeds narrowly ovoid, 0.3 mm, not tailed.

Distribution

V22 450-distribution-map.jpg

B.C., Calif., Idaho, Mont., Oreg., Wash., Coastal to montane areas.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Perianth dark brown, apex of inner series rounded; capsule dark brown, 1 mm longer than perianth Juncus covillei var. covillei
1 Perianth pale brown, apex of inner series acute to obtuse; capsule pale brown, barely exceeding perianth Juncus covillei var. obtusatus
... more about "Juncus covillei"
Ralph E. Brooks* +  and Steven E. Clemants* +
Juncus falcatus var. paniculatus +
Coville's rush +
B.C. +, Calif. +, Idaho +, Mont. +, Oreg. +, Wash. +  and Coastal to montane areas. +
Contributions from the U. S. National Herbarium +
Juncus sect. Graminifolii +
Juncus covillei +
Juncus subg. Graminifolii +
species +