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Acacia fagonioides

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Acacia fagonioides Benth., London J. Bot. 1: 387 (1842)

Intricate shrub 0.2- 0.5 (- 1) m high. Branchlets appressed-puberulous, sometimes spinose. Axillary spines 1 per node, 3- 18 mm long. Leaves sometimes reflexed; pinnae 1 pair, 2- 5 mm long; petiole absent; pinnules 2- 4 pairs, normally obovate to narrowly oblong-obovate, 2- 5 mm long, 1- 2 mm wide, glaucous to subglaucous, glabrous to subglabrous; gland within axil of pinnae, stipitate, c. 0.5 mm long. Inflorescences simple, situated on upper half of axillary spine; peduncles 4- 8 mm long, appressed-puberulous; heads globular, 13- 25-flowered. Flowers 5-merous; sepals 1/2- 3/4-united. Pods 3- 8 cm long, 7- 12 mm wide, slightly pruinose, glabrous. Seeds longitudinal to oblique, sometimes transverse, elliptic to circular, turgid, 3- 4 mm long.

Disjunct, occurring around Eneabba, Cervantes and Toodyay, south-western W.A. Grows in sand in heath at Eneabba and in lateritic soil in Marri ( Corymbia calophylla ) forest at Toodyay.

Acacia fagonioides and A. epacantha are unique within the ‘ A. pulchella group’ in having inflorescences borne on axillary spines which commonly have the appearance of short branchlets. Acacia fagonioides is further distinguished from A. pulchella by pods 7- 12 mm wide.

Type of accepted name

Swan R., W.A., J.Drummond s.n. ; holo: K; ?iso: G.

Synonymy

Acacia pulchella var. fagonioides (Benth.) J.F.Macbr., Contr. Gray Herb. 59: 8 (1919). Type: as for accepted name.

Illustration

B.R.Maslin, Nuytsia 1: 405, fig. 4M- O (1975), as A. pulchella var. fagonioides .

Representative collections

W.A.: W of Toodyay towards Perth, N.T.Burbidge 8034 (PERTH); just S of Arrowsmith R. on Eneabba- Arrino road, 1 July 1973, C.Chapman (AD, B, BRI, CANB, K, L, MEL, NSW, NY, PERTH); Swan R., J.Drummond 2: 154 (?BM, G, G-DC, K, LUND, MEL, NSW, OXF, P, 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 24 August 2021