Carex concinna R.Br.

Low northern sedge (en)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Plants densely cespitose, short-rhizomatous. Culms 5.5–20 cm. Leaves: basal sheaths reddish brown, blades mostly basal, pale green, shorter than culms, thin, 1–3.1 mm wide. Inflorescences: peduncles of proximal spikes short; peduncles of terminal staminate spikes 1–3.1 mm; proximal bracts short-sheathing; pistillate spikes 2–3, emerging from cauline nodes, aggregated, ascending, ovoid to ellipsoid; terminal staminate spikes 5–6.8 × 1.1–1.5 mm. Scales: pistillate scales reddish brown, ovate, apex obtuse, minutely ciliate. Anthers 1.3–1.4 mm; staminate scales dark reddish brown, ovate, margins white, apex obtuse to rounded, scarious. Perigynia ellipsoid, 2.3–3.3 × 1.1–1.4 mm, base cuneate, pubescent with coarse, wrinkled white hairs; beak straight, 0.3–0.4 mm. Stigmas 3, thin, flexuous, strongly papillose. Achenes ellipsoid, 1.7–2.1 × 1–1.3 mm. 2n = 54.
More
Rhizomatous and sometimes also tufted, 5–15 cm; lvs mostly basal, often recurved-spreading, 5–10 cm × 1–3 mm; staminate spike terminal, solitary, only 3–7 mm; anthers1–1.5 mm; pistillate spikes 2 or 3, approximate, sessile or short-peduncled, 4–8 mm; bract subtending the lowest spike 1 cm or less, with an expanded, usually sheathing base 2–5 mm and an awn-tip of similar or lesser length; pistillate scales blunt, brown with hyaline margins, distinctly shorter than the perigynia, often only half as long; perigynia 5–12, 2–3(–3.5) mm, puberulent, plump, 2-ribbed, abruptly contracted to the very short beak less than 0.5 mm; basal spines none; achene rounded-trigonous; 2n=54. Coniferous woods; Nf. to Yukon, s. to n. Mich., n. Wis., S.D., Colo., and Oreg.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
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Mature height (meter) 0.05 - 0.2
Root system fibrous-root
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Environment

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Hardiness (USDA) 4-9

Usage

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Cultivation

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Images

Carex concinna unspecified picture

Distribution

Carex concinna world distribution map, present in Canada, Colombia, Micronesia (Federated States of), and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:299224-1
WFO ID wfo-0000345645
COL ID R8Q5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Carex concinna Edritria concinna