Sedge, Slender Tufted
LATIN: Carex acuta L.

Sedge, Slender Tufted
Family : Cyperaceae
Flowering Cévennes: 4 - 6 . Light: sunny. . Moisture: damp
Sample Cévenol GPS : 44°19.37' N 3°37.10' E
Status: not under threat in this region
Habitat:

Laîche grêle
Famille : Cyperaceae
Floraison Cévennes : 4 - 6 . Lumière: ensoleillé. . . Humidité: humide
Exemple Cévenol GPS : 44°19.37' N 3°37.10' E
Statut : pas menacé dans ce région
Habitat :
Laîche grêle
Carex acuta
Sedge, Slender Tufted
***

(modifié de Coste, Flore de la France) :

Plante vivace de 30 cm à 4 mètre, verte, à souche rampante-stolonifère ; tige d'abord penchée au sommet, triquètre, scabre;
Écologie : Marais et rivières, dans presque toute la France.
Répartition hors de France : Europe; Asie; Algérie; Amérique.

Sedge, Slender Tufted plant

(modified from Butcher, British Flora):

A stout, glabrous perennial with sharply triquetrous, rather rough stems 30-90 cm high, growing from a dense tuft or tussock of dark green leaves.
Ecology UK: It is a common plant beside water and in wet, grassy places throughout the British Isles, northwards to the Moray Firth.
France:
Distribution outside France: ?

* Click for simple key to the sedge family


Carte (2018) grâce à Tela Botanica

Fleurs : épis mâles 2-4, les femelles 3-5, tous allongés, cylindriques, brunâtres, peu écartés, souvent mâles au sommet, sessiles ou l'inférieur pédonculé; bractées inférieures sans gaine, dépassant la tige ; écailles brunâtres, lancéolées; 2 stigmates;

Sedge, Slender Tufted flower

Flowers: Inflorescence of 3-5 long cylindrical spikelets 60-70 mm long, the terminal wholly male, the others with male flowers at top and female below, close or rather distant, stalked or sub-sessile; bracts leaf-like; nearly as long as inflorescence; female glumes 4.5 x 1.5 mm lanceolate to ovate, acuminate, dark purple with pale midrib.
Flowering UK: Late May-early July

Feuilles : souvent plus courtes que la tige, larges de 3-5 mm, scabres, à gaines non filamenteuses;

Sedge, Slender Tufted leaf

Leaves: 4-6 mm wide, bluntly keeled, rather rough, about equalling the flowering stems; sheaths not webbed; ligule 2-3 mm long, broadly triangular, acute.

Fruit : utricules verdâtres, ovales ou elliptiques (3 mm), plans-convexes, nervés, à bec court et entier, dépassant ou non l'écaille.

Fruit: 3.5 x 1.5 mm, smooth, conspicuously nerved, biconvex, ellipsoid, tapering into a short truncate beak. Nut 2 mm, obovoid, biconvex, stalked and shortly beaked; stigmas 2.