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Flora of Australia Online

Acacia citrinoviridis Tindale & Maslin, Nuytsia 2: 86; 87, fig. 1, 90, fig. 3C & D, 91, fig. 4 (1976)
River Jam, Milhan, Wantan.

T: Fortescue River crossing, E of Millstream HS, W.A., 11 June 1972, B.R.Maslin 2735 ; holo: PERTH; iso: CANB, K, L, MEL, NSW, NY, PERTH.

Illustrations: M.D.Tindale & B.R.Maslin, Nuytsia 2: 87, fig. 1, 90, fig. 3C & D, 91, fig. 4 (1976).

Initially a bushy shrub from 3 m, becoming a small tree 5–15 m high, Bark fissured on stem and branches, grey. Branchlets with pale longitudinal ridges, red-brown, shiny. Young shoots densely clothed with iridescent citron-green hairs. Phyllodes linear or narrowly elliptic, flat, falcate, 8–16 cm long, 4–13 mm wide, coriaceous, densely sericeous to glabrescent, with prominent midnerve and sometimes 2 lateral subprominent nerves; minor nerves 7–10 per mm; gland basal or rarely ½ way, small. Spikes 0.8–3.2 cm long, dense, bright yellow. Flowers 5-merous; calyx c. 0.9 mm long, dissected ±to base, with lobes linear-spathulate, villous; corolla c. 1.2 mm long, dissected to c. 1/2, densely villous; ovary densely villous. Pods linear to cultrate, straight, 2.5–12 cm long, 7–15 mm wide, hard, brittle, rugose, velvety with citron-green hairs (especially when young). Seeds longitudinal, broadly elliptic to circular (almost globose), dorsiventrally flattened, 5–6.5 mm diam., black or dark brown; pleurogram surrounded by pale halo; areole elliptic, ±closed, cream-coloured to dark green; funicle filiform, cream-coloured. Fig. 63A–C.

Occurs in north-western W.A., bounded by the latitudes 21ºS and 26ºS. A line between Marble Bar and Wiluna represents the approximate eastern limit of this species. Usually found along creeks and rivers in sandy rocky beds, and in stony soils in open forests away from watercourses. Flowers Apr.–June.; fruits Apr.–Oct. Map 409.

W.A.: Mount Augustus Stn, J.S.Beard 6089 (NSW); Bedaburra Pool, Mount Gould Stn, R.J.Cranfield 5422 (NSW, PERTH); Tom Price, F.Lullfitz L6167 (CANB, K, NSW, PERTH); Nanutarra Bridge, Ashburton R. Crossing, NW Coastal Hwy, B.R.Maslin 2764 (AD, BRI, NSW, PERTH, US).

(Dr M.D.Tindale and Dr P.G.Kodela with the assistance of M.Bedward, S.J.Davies, C.Herscovitch, D.A.Keith and/or D.A.Morrison)


Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia