Cynosurus cristatus

L. Crested Dog's-tail
Sp. Pl.: 72 (1753)
Taxonomic status Accepted
Occurrence status Present
Origin Introduced
Degree of establishment Naturalised

Tufted perennial, culms erect, to 80 cm high. Leaf-blades flat, to 15 cm long and 4 mm wide, minutely scabrous or hairy on the upper surface; ligules blunt, 0.5–1.5 mm long. Panicle spike-like, erect or slightly curved, one-sided, to 8 cm long. Spikelets in dense clusters with 2–5 sterile and fertile spikelets each per cluster; sterile spikelets ovate, flattened, 4–6 mm long, each with 6–18 stiff, narrow, acuminate bracts, 2–5 mm long; fertile spikelets 2–5-flowered, 3–6 mm long; glumes subequal, acuminate, 3–5 mm long; lemmas oblong, 3–4 mm long, scabrous toward apex, usually with a short (to 1 mm) apical awn. Flowers Oct.–Feb.

MuM, VVP, VRiv, GipP, OtP, WaP, Gold, CVU, DunT, NIS, EGL, HSF, HNF, OtR, Strz, MonT, VAlp. Also naturalised WA, SA, NSW, ACT, Tas. Indigenous in the Mediterranean region. In Victoria, an occasional weed of pasture, lawns and roadsides in cooler districts (e.g. Portland, Lome, Mt Dandenong, Neerim, Kiewa Valley, Orbost) with an isolated occurrence near Mildura in the north-west, occasionally invading native vegetation.

Source:

Walsh, N.G. (1994). Poaceae. In: Walsh, N.G.; Entwisle, T.J., ‍Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons‍, pp. 356–627. Inkata Press, Melbourne.

Updated by: Val Stajsic, 13 Dec. 2019
Cynosurus cristatus (distribution map) Spinning