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Carex chordorrhiza L.F.

Creeping sedge (en), Laîche à longs rhizomes (fr)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Culms bluntly trigonous, 5–35 cm, smooth or scabrous distally; vegetative stems ascending to erect when young, becoming prostrate stolons at maturity, elongating to 120 cm. Leaves: sheaths with fronts pale brown at apex; ligules 0.6–6.2 mm; blades 0.4–3 mm wide. Inflorescences 5–16 × 4–12 mm; spikes ascending to spreading, ovoid to broadly ovoid, 4–8 × 2–5 mm. Pistillate scales brownish with green center and paler margins, ovate to broadly ovate. Staminate scales ovate, apex obtuse to acuminate. Perigynia dark brown, 12–28-veined, 1.4–2.2 mm wide, apex erose to weakly bidentulate, glossy. Achenes silvery brown, smooth. 2n = 60.
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Old stems much elongate, prostrate, clothed with parts of the old lvs; fertile stems 1–3 dm, with 1–3 lvs near the base, their blades 1–5 cm; sterile stems with several much longer lvs; lf-blades 1–2 mm wide; head 5–12 cm, crowded; spikes 3–8, androgynous; scales broadly ovate, about equaling the perigynia, these 1–5, plump, oblong-ovoid, 2.5–3.5 mm, nearly as thick as wide, strongly many-nerved, obscurely margined, the beak emarginate, a fourth as long as the body; achene thick-lenticular; 2n=62. Sphagnum-bogs; circumboreal, s. to Mass., N.Y., Ind., Io., and Mont.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread hydrochory
Mature width (meter) -
Mature height (meter) 0.13 - 0.38
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) 0.1
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 1-9
Soil humidity 5-9
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Carex chordorrhiza unspecified picture

Distribution

Carex chordorrhiza world distribution map, present in Austria, Belarus, Canada, Switzerland, Czech Republic, Germany, Denmark, Finland, France, Micronesia (Federated States of), Iceland, Italy, Kazakhstan, Montenegro, Norway, Poland, Korea (Democratic People's Republic of), Romania, Russian Federation, Sweden, Ukraine, and United States of America

Conservation status

Carex chordorrhiza threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:299153-1
WFO ID wfo-0000345526
COL ID R8MR
BDTFX ID 13581
INPN ID 88426
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Carex chordorrhiza Carex fischeriana Carex fulvicoma Carex funiformis Carex teretiuscula Caricina chordorrhiza Vignea chordorrhiza Carex chordorrhiza var. aestivalis Carex chordorrhiza var. sphagnicola
WorldFloraDB 2024