Acacia restiacea Benth.

Multistemmed, sometimes straggly, mostly glabrous shrub, 0.5–1.5 m high; stems rush-like, terete, finely striate, green, sometimes glaucous. Bipinnate foliage sometimes present at base of stems. Stipules conspicuous on new growth. Phyllodes rarely present, distant, resembling stems, ±pentagonal-terete in section, 7–25 mm long, c. 0.7 mm wide, acuminate, 5-veined; adaxial margin 2-veined and broad; gland at distal end of pulvinus. Inflorescences 4–12-headed racemes; raceme axes 1–6 cm long, slender, flexuose, enclosed when young by conspicuous imbricate brown bracts; peduncles 4–11 mm long, slender; heads globular, 25–35-flowered, golden. Flowers mostly 5-merous; calyx c. ⅙ length of corolla, with sepals shortly and irregularly united. Pods ±moniliform, to 8.5 cm long, 3–3.5 mm wide, thinly coriaceous, dark brown to blackish. Seeds longitudinal, ovate-elliptic, 3–4 mm long, turgid, slightly shiny, black; aril conspicuous.

Grows in a variety of habitats but commonly in gravelly or rocky loam in woodland or heath, or sandy clay associated with granite outcrops.