Carex raynoldsii — Details

Carex raynoldsii Dewey:
China (Asia)
United States (North America)

Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley. http://www.tropicos.org/Reference/1717
Cronquist, A., A. H. Holmgren, N. H. Holmgren & J. L. Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York. http://www.tropicos.org/Reference/1725

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National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Plants cespitose. Culms 20–75 cm, smooth. Leaves 3–7 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes separate, short-oblong or elongate, 10–20 × 3–5 mm, of similar length; proximal spikes often divergent to pendent, long-pendunculate; distal spikes divergent or erect, short-pendunculate; lateral 2–4 spikes pistillate; terminal spike staminate. Pistillate scales brown or black, margins hyaline, lanceolate, shorter than or equaling and narrower than perigynia, midvein same color as body, inconspicuous or lighter colored and conspicuous, often raised, prominent, apex acute or short-mucronate. Perigynia ascending, spreading, greenish yellow or yellow-brown, veined, broadly elliptic or obovate, 3.5–4.5 × 1.75–2 mm, apex abruptly beaked, smooth; beak 0.3–0.5 mm, bidentate, smooth. Achenes nearly filling body of perigynia. 2n = 58.

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Diagnostic Description

Synonym

Carex lyallii Boott

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Ecology

Habitat

Habitat & Distribution

Fruiting Jun–Aug. Subalpine and alpine meadows; 1000–3200 m; Alta., B.C., Sask.; Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Carex raynoldsii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Species: 6
Species With Barcodes: 1

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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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Wikipedia

Carex raynoldsii

Carex raynoldsii is a species of sedge known by the common name Raynolds' sedge.

Distribution

This sedge is native to western North America from California to Colorado to Yukon, where it grows in mountain meadows in subalpine and alpine climates.

Description

Carex raynoldsii is sedge produces clumps of smooth stems up to about 75 centimeters in maximum height from a network of rhizomes. The inflorescence is a cluster of separate rounded or oval flower spikes one to two centimeters long, each generally hanging on a peduncle. The female flower has a covering scale which is black, brown, or purple, often with a raised, light colored midstripe and produces a rounded fruit.

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