Carex divulsa Stokes

Grassland sedge (en), Laîche écartée (fr)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Dense grass-like tussocks; rhizome thick, short, with dark brown scales soon becoming fibrous. Stems (15)-20-60-(150) cm high, slender and wiry, 3-angled, scabrid on angles. Leaves 2-3 mm wide, < stems, flat to channelled, rather harshly scabrid, sheaths dull, light creamy-brown. Inflorescence 5-12 cm long, often with 1-2 very short branches at base; spikes ± 10, sessile, light green, distant below, 3-5 uppermost more crowded; bracts filiform. Spikes few-flowered, androgynous, male flowers at top. Glumes much < utricles, ovate, acuminate, colourless-hyaline with a green midrib. Utricles 4-5 × ± 2 mm, ovate, plano-convex, nerveless, light brown, tapering to a short bifid beak with scabrid margins, stipe minute. Stigmas 2. Nut obovoid, biconvex.
More
Much like no. 22 [Carex muricata L.]; roots brown or blackish-brown; basal sheaths at first pale brown, becoming dark to blackish-brown; ligule short and blunt, usually wider than long; infl looser and more elongate, 3–10+ cm, the lowest spikes often 1–3 cm apart; perigynia appressed-ascending (or the lowest ones spreading), 3.5–4.5 mm, usually less than half as wide, ± equally narrowed to both ends, not corky; 2n=56, 58. Native of Europe, established in disturbed sites from Mass. to D.C. and Ont. (C. virens)
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread barochory
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.38 - 0.95
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) 0.15
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

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

Usage

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

Cultivation

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

Images

Habit

Carex divulsa habit picture by beurny (cc-by-sa)
Carex divulsa habit picture by Marek Durajczyk (cc-by-sa)
Carex divulsa habit picture by Martin Bishop (cc-by-sa)

Leaf

Carex divulsa leaf picture by beurny (cc-by-sa)
Carex divulsa leaf picture by Ton Reerink (cc-by-sa)
Carex divulsa leaf picture by Marek Durajczyk (cc-by-sa)

Flower

Carex divulsa flower picture by beurny (cc-by-sa)
Carex divulsa flower picture by beurny (cc-by-sa)
Carex divulsa flower picture by jacques maréchal (cc-by-sa)

Fruit

Carex divulsa fruit picture by Jacques Maréchal (cc-by-sa)
Carex divulsa fruit picture by Peter Weinreich (cc-by-sa)
Carex divulsa fruit picture by Brunello Pierini (cc-by-sa)

Distribution

Carex divulsa world distribution map, present in Albania, Austria, Bulgaria, Canada, Switzerland, Czech Republic, Germany, Algeria, Spain, France, United Kingdom of Great Britain and Northern Ireland, Greece, Hungary, Ireland, Iran (Islamic Republic of), Italy, Morocco, Netherlands, New Zealand, Pakistan, Palau, Poland, Portugal, Romania, Turks and Caicos Islands, Turkmenistan, Tunisia, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:299519-1
WFO ID wfo-0000346191
COL ID R8ZH
BDTFX ID 13684
INPN ID 88483
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Carex guestphalica Carex subramosa Carex persica Caricina divulsa Vignea divulsa Vignea virens Vignea guestphalica Vignea persica Carex canescens Carex divulsa f. guestphalica Carex divulsa f. polycarpa Carex divulsa f. misera Carex muricata f. angustifolia Carex divulsa f. angustifolia Carex lumnitzeri Carex muricata Carex nemorosa Carex stellulata f. pseudodivulsa Carex virens Carex divulsa var. guestphalica Carex divulsa var. misera Carex divulsa var. polycarpa Carex muricata var. angustifolia Carex muricata subsp. divulsa Carex muricata var. divulsa Carex muricata subsp. lumnitzeri Carex muricata var. subramosa Carex muricata var. virens Carex spicata subsp. lumnitzeri Carex virens var. guestphalica Carex viridis var. divulsa Carex muricata var. nemorosa Carex divulsa var. javanica Carex muricata subsp. virens Carex divulsa var. congesta Carex divulsa var. approximata Carex echinata var. pseudodivulsa Carex virens var. major Carex divulsa subsp. divulsa Carex virens var. divulsa Carex divulsa

Lower taxons

Carex divulsa subsp. virens