Callistemon rugulosus
(D.F.K.Schltdl. ex Link) DC. Scarlet BottlebrushStraggly shrub to 4 m high; bark grey, peeling; branches stiff. Leaves thick, rigid, narrowly oblanceolate, mostly 3–5 cm long, 4–7 mm wide with a pungent mucro, midrib and marginal veins prominent, lateral veins obscure, oil glands prominent, especially on the lower surface, and usually rough to touch. Flower spikes mostly 5–8 cm long, 4–5 cm wide with a hairy axis; hypanthium 3–4 mm long generally hairy; stamens 16–20 mm long, filaments dark crimson, rarely pink or violet, anthers bright yellow. Capsules mostly 7–8 mm long, 6–9 mm wide. Flowers Oct.–Dec.
LoM, MuM, Wim, GleP, VVP, VRiv, MuF, GipP, OtP, Gold, CVU, GGr, DunT, NIS, EGU. Also SA, NSW. Mostly in damp sandy flats, occasionally along creeks from the Grampians westward to the South Australian border.
Spencer, R.D. (1996). Callistemon. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae, pp. 1022–1027. Inkata Press, Melbourne.