Spinifex
Generally dioecious (but some `female' plants may have functional stamens), rhizomatous and stoloniferous perennials. Ligule a fringe of hairs. Inflorescence consisting of a number of racemes or spikes aggregated into a false head and subtended by several papery bracts; racemes or spikes with several spikelets in male plants, with one, rarely two, spikelets subtended by a long slender projection in female plants; glumes 2, the longer (upper) subequal to or as long as spikelet; florets 2, the lower neuter; lemma of upper floret firm to hard, shorter than or subequal to spikelet.
5 species (including 1 hybrid), always coastal; 4 in Australia, the other in southern Asia, 1 species in Victoria.
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.