Citation: Hughes, Kew Bull. 1923:313 (1923).

Synonymy: Panicum ammophilum sensu F. Muell., J. Trans. Vict. Inst. 1:46 (1855), non Trin.; P. divaricatissimum R. Br. var. ammophilum (Trin.) Benth., Fl. Aust. 7:468 (1878).

Common name: Spider grass, silky umbrella-grass.

Description:
Perennial, with flat softly villous leaves; ligule obtuse or jagged, c. 2 mm long.

Racemes 10-12 in number, the lower ones whorled and 8-16 cm long, at first erect, finally spreading and naked for 2-6 cm from the base; spikelets 2-2.5 mm long, villous with white silky hairs as long as and concealing the spikelets which are in pairs on unequal pedicels; first glume ovate, minute, the second 3-nerved; the first lemma (sterile) 5-nerved, the second glume and the first lemma both villous and equal; fertile lemma nearly as long, acute, smooth.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 84.

Distribution:  S.Aust.: NW, LE, FR, EA, EP, MU, SL.   All mainland States. Conservation status: native Flowering time: mostly Feb. — April.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: Described by Vickery (1961) as "A drought resistant grass of some value in natural mixed pastures of the drier districts".

Author: Not yet available