Carex wiegandii Mack.

Wiegand's sedge (en), Carex de wiegand (fr)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Culms 10–105 cm. Leaves 3–8 per culm; sheaths tight, inner band hyaline, 4–23 cm, apex concave, ± glabrous; ligules rounded to obtuse, 0.9–2.5 mm; blades plicate, 11–45 cm × 1.7–5 mm, widest leaf 2.8–5 mm wide. Inflorescences (0.8–)1.5–3 cm; spikes 4–6; lateral spikes gynecandrous, 4.5–8 mm, sessile, staminate portion (0–)1–3-flowered, (0–)0.5–2 mm, pistillate portion 5–21-flowered, 3–8 mm; basal 2 spikes 1.3–9.5 mm apart; terminal spike androgynous, 6.1–14.5 mm, staminate portion 5–20-flowered, 2–8.6 × 0.8–1.3 mm, pistillate portion 7–25-flowered, 3–8 × 5–7.3 mm. Pistillate scales ovate, 1.45–2(–2.2) × 1.3–1.9 mm, apex obtuse to acute, sometimes shortly mucronate. Staminate scales ovate, 1.2–2.3 × 1.4–1.8 mm, apex obtuse to acute. Anthers 0.7–1.3 mm. Perigynia spreading to reflexed, green to castaneous, 5–18-veined abaxially, faintly 0–10-veined adaxially, broadly ovate, 2.55–3.75 × (1.25–)1.4–2(–2.1) mm, (1.4–)1.6–2.5 times as long as wide; beak 0.55–1.1(–1.35) mm, 0.25–0.55 length of body, serrulate, teeth 0.2–0.5 mm. Achenes ovate, 1.4–1.9 × 1.1–1.55 mm.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 1.05
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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 -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Carex wiegandii unspecified picture

Distribution

Carex wiegandii world distribution map, present in Canada, France, Micronesia (Federated States of), Malaysia, and United States of America

Conservation status

Carex wiegandii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:47442-2
WFO ID wfo-0000352687
COL ID RCLL
BDTFX ID -
INPN ID 761923
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Carex wiegandii