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Acacia anastema

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Acacia anastema Maslin, Nuytsia 4: 383; 384, fig. 1, 387, fig. 2 & 408, fig. 14 (1983)

Obconical, resinous tree to 6 m high, with 1–3 trunks. Juvenile plants sometimes conifer-like. Bark longitudinally fissured on trunks, smooth on branches, grey. Branchlets terete, hoary towards apices. Young shoots pale citron-sericeous. Phyllodes linear, flat, curved, 11–32 cm long, 2–6 mm wide, finely acuminate, coriaceous, hoary when young, later only between veins, finely multistriate, sometimes 3 veins more prominent; gland obscure, basal. Peduncles 10–20 mm long, resinous-strigillose. Spikes single, axillary, 2–4 cm long, 6–8 mm wide, dense, golden. Flowers 5-merous; sepals free, sparsely ciliolate. Pods linear-terete, to 14 cm long, 2–3 mm wide, slightly chartaceous to crustaceous, glabrous to sparsely hoary. Seeds longitudinal, 5–5.5 mm long, grey-brown or brown.

Occurs on Yabalgo Plain, between Woodleigh Stn (2611’S, 11433’E) and Ellavalla Stn (2505’S, 11423’E), southern Carnarvon Botanical District, W.A. Grows on red sand dunes, often in pure stands. Flowers late July–Sept. Fruits late Nov.

Acacia anastema is a member of the ‘ A. doratoxylon group’, being closely allied to A. lasiocalyx which is distinguished by its broad, flat pods to 5 mm wide and calyces with united sepals.

Type of accepted name

35 km S of Gascoyne Junction on the road to Towrana Stn, W.A., 29 July 1981, B.R.Maslin 5004 ; holo: PERTH; iso: BM, BRI, CANB, G, K, MEL, NSW, NY.

Illustrations

B.R.Maslin, op. cit . 384, fig. 1 & 387, fig. 2; A.A.Mitchell & D.G.Wilcox, Arid Shrubland Pl. Western Australia 262 & 263 (1988).

Representative collection

W.A.: 29.3 miles [47 km] S of Gascoyne Junction, A.M.Ashby 4610 (AD, CANB, PERTH).

(NSW)

 

WATTLE Acacias of Australia CD-ROM graphic

The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.

Page last updated: Tuesday 11 September 2018