Lepidosperma tortuosum

F.Muell. Tortuous Rapier-sedge
Fragm. 9: 23 (1875)
Taxonomic status Accepted
Occurrence status Present
Origin Native
Degree of establishment Native

Small tufted perennial with very short rhizome. Culms rigid, often somewhat twisted, biconvex centrally with flat margins, striate, scabrous to smooth, 10–35 cm high, 0.5–2.0 mm wide; margins scabrous. Leaf-blades slightly biconvex with central groove on each face, shorter than culms, 0.5–2.0 mm wide; sheaths yellow-brown to reddish, not viscid, ± shining. Inflorescence ± ovate, of several small clusters of spikelets with rachis usually strongly flexuose (rarely scarcely so), 0.8–4 cm long, 0.5–1 cm diam.; involucral bract shorter than to longer than inflorescence. Spikelets few, 5–8 mm long; glumes 5–7, red-brown with straw-coloured patches to grey-brown, the 3 or 4 lowest empty, much shorter than fertile glumes, obtuse, mucronate, glabrous; fertile glumes 4–5 mm long, acute, slightly scabrous; hypogynous scales 6, whitish, from one-third to two-thirds length of nut. Nut ellipsoid to ovoid, grey-green, ± smooth, shining, 2.0–2.7 mm long, c. 1.5 mm diam. Flowers spring–summer.

GipP, CVU, EGL, EGU, HSF, HNF, MonT, VAlp. Also ?SA, NSW, Tas. Occasional in heathlands and woodlands of lowlands and foothills, usually on soils which have a tendency to become waterlogged.

Characteristically, this species has a small inflorescence with the branches strongly contorted.

Source:

Wilson, K.L. (1994). Cyperaceae. In: Walsh, N.G.; Entwisle, T.J., ‍Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons‍, pp. 238–356. Inkata Press, Melbourne.

Lepidosperma tortuosum (hero image) Spinning
Lepidosperma tortuosum (distribution map) Spinning