Scop., Fl. Carniolica edn 2, 1:52 (1772).
Synonymy: Panicum sanguinale L., Sp. Pl. 57 (1753).
Common name: Crab grass, summer grass.
Annual, with stems often creeping and rooting, 15-70 cm high; leaves usually sprinkled with hairs, the blades lanceolate, flat, often undulate, 5-15 cm long; ligule truncate or erose, 1-2 mm long.
Racemes digitate or approximate at the summit of the culm, 3-10, slender, 5-16 cm long; spikelets in pairs on unequal pedicels, c. 3 mm long; first glume minute; second glume 3-nerved, villous-ciliate, acute, half as long as the first lemma; first (sterile) lemma 5-7-nerved and scabrous or villous-ciliate on the margins, the 4-6 lateral nerves arranged on the margins where they turn inwards and rather distant from the central straight nerves; second (fertile) lemma smooth.
Gardner (1952) Flora of Western Australia 1:pl. 67; Cunningham et al. (1982) Plants of western New South Wales, p. 87.
S.Aust.: GT, FR, EA, EP, NL, MU, YP, SL, KI, SE. All States except the N.T. widespread in warm and temperate regions of the world.
Flowering time: Dec. — May.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Considered by Black (1943) to have been possibly introduced as it occurs mainly in disturbed places. See note to D. ciliaris.
Not yet available