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Acacia perryi

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Acacia perryi Pedley, Contr. Queensland Herb . 11: 20, fig. 1I (1972)

Shrub to 1.5 m high. Stems pubescent with fine, spreading to erect or retrorse white hairs, viscid. Stipules 2–3 mm long, glabrous, occasionally with tuft of hairs near base. Phyllodes in whorls of 10–15, spreading, flattened, straight or incurved in lower half and recurved at apex, 8–15 mm long, the mucro 0.4–1.2 mm long, with erect or antrorse hairs, with an impressed nerve above, obscurely ribbed when dry. Peduncles 5–20 mm long, sparsely hairy. Heads 20–35-flowered. Flowers 5- or 6-merous; calyx narrowly obconical, 0.9–1.5 mm long, ribbed, the lobes incurved, linear, thick, glabrous or with hairy margins; corolla lobes striate, hairy. Pods sessile, straight, 35–70 mm long, 5–6 mm wide, glabrous; margins slightly thickened. Seeds longitudinal, 3 mm long; pleurogram open.

Occurs in the eastern Kimberley region, W.A., and in north-central N.T. Grows on rocky hillsides with spinifex and open woodland.

A distinctive species with broad, spreading phyllodes and long stipules and bracteoles (2–3 mm long). Its nearest relative is A. asperulacea . Has been confused with A. hippuroides which has long yellow hairs and a smooth corolla and is not closely related. Also sometimes confused with A. spondylophylla . Several specimens (e.g. R.A.Perry 2499 ) tentatively referred to A. perryi may be hybrids between A. galioides and A perryi . They have short hairs (c. 0.2 mm long on the branchlets) and 8–10 phyllodes per whorl, suggesting an affinity with A. galioides , but the flowers agree well with those of A. perryi ; there are no pods. A collection from L. Argyle ( M.H.Andrew 522 , PERTH) resembles A. perryi but has non-viscid stems, short, erect phyllodes 4–6 mm long with an erect or slightly recurved mucro, stipules 1–2 mm long, a calyx 0.8–0.9 mm long and a shortly hispid corolla.

Type of accepted name

Near Banka Banka, N.T., June 1946, S.T.Blake 16015 ; holo: BRI.

Synonymy

Racosperma perryi (Pedley) Pedley, Austrobaileya 2: 571 (1988). Type: as for accepted name.

[ Acacia hippuroides auct. non Pedley: G.Bentham, Fl. Austral . 2: 342 (1864) p.p . as to Attack Ck, [N.T.], J.McD. Stuart ]

Illustrations

L.Pedley, Contr. Queensland Herb . 11: 3, fig. 1i (1972); B.R.Maslin in J.P.Jessop, Fl. Centr. Australia 117, fig. 157B (1981).

Representative collections

W.A:. 29 km E of Kununurra, Olsen 491 (NSW); Halls Creek, R.A.Perry 2499 (CANB, PERTH). N.T.: Churchills Head, 6 km S of Morphett Ck, G.M.Chippendale NT990 (CANB, NT); 77 km N of Tennant Creek, R.A.Perry 598 (BRI, CANB, NT).

(ASG)

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 21 July 2020