Eucalyptus diversifolia Bonpl.

Soap Mallee

Descr. Pl. Malmaison 35 (1814) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Mallee to 6 m tall; bark smooth. Juvenile leaves sessile, opposite for many pairs, then petiolate, alternate, oblong to lanceolate, to 8 cm long, 4 cm wide, green; adult leaves petiolate, alternate, lanceolate, held somewhat erect, 7–13 cm long, 1.2–2.5 cm wide, concolorous, glossy, olive-green or bluish-green; reticulation dense, broken, with scattered island oil glands. Inflorescences axillary, unbranched; peduncles to 1.2 cm long, 7–11-flowered; buds shortly pedicellate, diamond-shaped, to 1.2 cm long, 0.6 cm diam., no scar (single operculum); operculum conical; stamens irregularly flexed; anthers dorsifixed, oblong or slightly reniform; ovules in 2 vertical rows; flowers white. Fruit sessile or shortly pedicellate, cupular to obconical, to 1.2 cm long, 1.5 cm diam.; disc level to slightly ascending; valves 4, rim level; seed brown, glossy, smooth, pyramidal but distorted by one curved face, hilum terminal. Flowers Aug.–Jan.

Brid, Glep, OtP, VVP. Also WA, SA. In Victoria confined to dunes and limestony soils near Cape Nelson where it is abundant.

Its taxonomic affinities, based on leaf venation and anthers, lie with the Western Australian monocalypts.

3 subspecies, Eucalyptus diversifolia subsp. diversifolia and E. diversifolia subsp. megacarpa in Victoria.

Source: Brooker, M.I.H.; Slee, A.V. (1996). Eucalyptus. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-04-16
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Distribution map


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Eucalyptus diversifolia in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Eucalyptus diversifolia in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present cultivated
Glenelg Plain present native
Bridgewater present native
Victorian Volcanic Plain present native
Otway Plain present native

State distribution

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