Acacia microcarpa F.Muell.

Manna Wattle

Fragm. 1: 6 (1858)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Glabrous shrub to 2.5 m high; branchlets somewhat angled at extremities. Phyllodes usually oblanceolate, sometimes oblong-oblanceolate, elliptic or elliptic-oblanceolate, usually 2–5.5 cm long, 4–10 mm wide, straight to slightly curved, smooth, slightly thickened, obtuse but frequently obliquely so, often retuse; midrib not prominent, lateral veins absent or obscure; stipules insignificant; glands 2, apical gland adjacent to mucro, lower one near or below phyllode middle, 0.5 mm long and normally shallowly concave. Peduncles 2–5 per node, 4–10 mm long, drying yellow or blackish, each terminating a rachis c. 0.5 mm long; heads globular, 14–22-flowered, bright mid golden. Flowers 5-merous; sepals free. Pods linear, prominently raised over seeds, to 8 cm long, 2–5 mm wide, slightly to prominently curved, firmly chartaceous; seeds longitudinal, elliptic to widely elliptic-oblong, 3–4 mm long, subglossy, dark brown, aril more or less clavate and a quarter to a third the length of the seed. Flowers Sep.–Oct.

LoM, MuM, VRiv, VVP, Wim. Also SA, NSW. Scattered through north-west of the State, usually in mallee communities in sand.

Short phyllode forms may resemble A. acinacea. See also note under A. halliana.

Source: Entwisle, T.J.; Maslin, B.R.; Cowan, R.S.; Court, A.B. (1996). Mimosaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Fabales
family Fabaceae
genus Acacia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Acacia microcarpa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Acacia microcarpa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Highlands-Southern Fall present cultivated

State distribution

Distribution map
Northern Territory
South Australia
New South Wales
Australian Capital Territory