Juncus acutus, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 104

3. J. acutus L. , Sp. Pl. 325 (1753) .

Plant densely caespitose; intravaginal shoots present. Stems (15-)5O-15O cm, usually 2-4 mm in diameter, rigid, with 2-5 leaves. Inflorescence manyflowered, usually dense, globose, rarely lax and elongated; lowest two bracts well-developed and strongly pungent, usually short. Perianth-segments equal or subequal, oblong, with a wide, scarious margin; outer obtuse or acute; inner wide, with scarious apical auricles. Stamens equalling or slightly shorter than perianth; anthers 1-5-2 mm, several times as long as filaments. Capsule 4-6 mm, much exceeding the perianth, obovoid to ovoid, with a broadly conical to obtuse apex, shortly mucronate. Seeds 80-120,1-5-2-5 mm; appendages equal. 2« = 48. Maritime sands; rarely on damp or saline soils inland. Mediterranean region and W. Europe, northwards to Ireland. Al Az BI Br Co Cr Ga Gr Hb Hs It Ju Lu Sa Si Tu.