Difference between revisions of "Juncus covillei"
Contributions from the U. S. National Herbarium 11: 182. 1906.
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Revision as of 22:57, 13 August 2020
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
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 |