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Acacia microsperma

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Acacia microsperma Pedley, Contr. Queensland Herb. 15: 3; 20, fig. 2B & 21, fig. 3 (1974)

Bowyakka

Tree to c. 10 m high. Branchlets often scurfy, subglabrous to appressed-puberulous. Phyllodes linear, straight, mostly 7–14 cm long, 1.5–4 mm wide, acute, often slightly uncinate, green to grey-green, scurfy when young, sparsely and minutely appressed-puberulous, glabrescent, with numerous closely parallel, obscure nerves. Inflorescences 1–4-headed racemes, sometimes reduced to axillary clusters of heads; raceme axes 0.5–2 mm long; peduncles 3–10 mm long, appressed-puberulous; heads globular, 4.5–5 mm diam., 20–30 (– 40)-flowered, golden; bracteoles spathulate to subpeltate. Flowers 5-merous; sepals c. 3/4-united. Pods submoniliform, straight, to 6 cm long, 2–3 mm wide, firmly chartaceous, non-reticulate, sparsely appressed-puberulous. Seeds longitudinal, narrowly elliptic, 2.5–4 mm long, brown; funicle/aril fleshy, repeatedly folded.

Scattered in southern Qld from Adavale SE to Talwood (near N.S.W. border). Usually grows in shallow loam or clay over weathered rock, often forming dense stands alone or with A. cambagei or Eucalyptus thozetiana .

Seems very close to A. microcephala .

Type of accepted name

Pine Hills, c. 18 miles [29 km] N of Gradule, Qld, 8 Sept. 1946, S.L.Everist 2696 ; holo: BRI; iso: A, K.

Synonymy

Racosperma microspermum (Pedley) Pedley, Austrobaileya 2: 352 (1987). Type: as for accepted name.

Illustrations

S.L.Everist, Div. Pl. Indust. Advisory Leafl . No. 1024: pl. 13 (1969); L.Pedley, loc. cit. (1974).

Representative collections

Qld: 9.7 km W of Weengallon, L.Pedley 931 (BRI, K, NSW, PERTH); Adavale, Warrego District, L.Pedley 2496 (BRI n.v ., CANB, K, NSW, PERTH).

(RSC & 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