Carex grayi J.Carey

Gray's sedge (en), Carex de Gray (fr)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Plants cespitose or not, short-rhizomatous. Culms solitary or not, erect, (25–)40–90(–110) cm. Leaves 6–12; basal sheaths purplish red; sheath of distal leaf 0–1.5(–2.5) cm; ligules rounded, 2.5–6 mm; blades 12–34 cm × 4–11 mm. Inflorescences 2.5–17 cm; peduncles of proximal pistillate spikes 0.7–3.5 cm, basal 2 peduncles 1–4(–12) cm apart; peduncle of terminal spike 0.5–6 cm; bracts leafy, usually sheathless, blades 8–26 cm × 2–7 mm. Spikes: proximal pistillate spikes 1–2(–3), densely (4–)8–35-flowered, separate to aggregated, globular, 2.5–4.2 × 2.6–4.1 cm; terminal staminate spike 1, 0.5–6.5 cm × 1–4 mm. Pistillate scales 1–5-veined, lanceolate-ovate to ovate-orbicular, 4–11 × 2–4.2 mm, apex obtuse to awned, awn to 7 mm, rough. Anthers 3, 2.5–4.8 mm. Perigynia radiating out in all directions, strongly 16–25-veined, rhombic-ovoid, 12.5–20 × 4–8 mm, base cuneate, dull, glabrous or, sometimes, hispidulous; beak poorly defined, 1.5–3 mm. Achenes sessile, ellipsoid to obovoid, faces convex, angles not thickened, 3.3–4.8 × 2.6–3.7 mm; style withering.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.7 - 0.9
Root system -
Rooting depth (meter) 0.2
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 3-5
Soil humidity 7-9
Soil texture 1-2
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

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

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) 17 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Carex grayi leaf picture by Manda Quigley (cc-by-sa)
Carex grayi leaf picture by Černík Josef (cc-by-sa)
Carex grayi leaf picture by David Atman (cc-by-sa)

Flower

Carex grayi flower picture by Herrera Juan (cc-by-sa)
Carex grayi flower picture by Margaret Rogers (cc-by-sa)
Carex grayi flower picture by Daar Adina (cc-by-sa)

Fruit

Carex grayi fruit picture by Černík Josef (cc-by-sa)
Carex grayi fruit picture by laura R (cc-by-sa)
Carex grayi fruit picture by Marion Nijkamp (cc-by-sa)

Distribution

Carex grayi world distribution map, present in Åland Islands, Austria, Canada, Czech Republic, Germany, Micronesia (Federated States of), United Kingdom of Great Britain and Northern Ireland, Georgia, Malaysia, Nicaragua, Netherlands, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:46283-2
WFO ID wfo-0000347227
COL ID R9HN
BDTFX ID 120956
INPN ID 788867
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Carex asa-grayi Carex grayi var. hispidula Carex intumescens var. globularis Carex asa-grayi var. hispidula Carex grayi var. rariflora Carex grayi var. grayi Carex grayi