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Acacia calcarata

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Acacia calcarata Maiden & Blakely, J. & Proc. Roy. Soc. W. Australia 13: 2; pl. 2, figs 7–12 (1928)

Spreading, rigid shrub 0.5–1.5 m high. Branchlets ribless, reddish at extremities, ageing light grey, glabrous. Stipules persistent, spinose, 1.5–3 mm long, normally shallowly recurved. Phyllodes ascending to erect, commonly shallowly curved, frequently slightly kinked at the gland, pentagonal-quadrangular in section when dry, 20–40 mm long, c. 1.5 mm wide, pungent, rigid, glaucous, glabrous, 5-nerved but the adaxial 2 frequently coalescing on lower 1/3 of phyllode; gland c. 1 mm above base, 1–1.5 mm long; pulvinus much-reduced, basally dilated. Inflorescences rudimentary normally 2-headed racemes with axes <0.5 mm long; peduncles 3.5–7 mm long, crimson, glabrous; heads globular, 16–22-flowered, golden. Flowers 5-merous; sepals c. 1/2-united. Pods narrowly oblong, flat, to 7 cm long, c. 1 cm wide, thinly crustaceous, blackish, glabrous. Seeds longitudinal, elliptic, c. 12 mm long, compressed; aril small, pileiform.

Occurs from near Bullabulling and Kalgoorlie SE to Woodline, W.A. Grows in sometimes rocky sandy loam, in open Mallee scrub or tall shrubland.

Formerly confused with A. inamabilis which has green, finely ribbed, lenticellate branchlets, green phyllodes, a pulvinus which is not flared basally, yellow to light brown peduncles and much narrower pods. Phyllodes and branchlets resemble those of A. asepala .

Type of accepted name

Coolgardie district, W.A., L.C.Webster s.n .; holo: NSW; iso: MEL.

Illustration

J.H.Maiden & W.F.Blakely, loc. cit .

Representative collections

W.A.: Woodline, c. 110 km ENE of Norseman, G.J.Keighery 3043 (PERTH); 12 km E of Coolgardie, B.R.Maslin 1884 (AD, K, NSW, NT, PERTH); 42 km N of Widgiemooltha, R.A.Saffrey 884 (PERTH).

(BRM)

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