Eucalyptus sieberi L.A.S.Johnson

Silvertop Ash

Contr. New South Wales Natl Herb. 3: 125 (1962) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Tree to 45 m tall; bark rough over whole trunk, at first thin, flaky, orange-brown, becoming thick, compact, longitudinally furrowed, brown-black. Stem of saplings glaucous. Juvenile leaves sessile, opposite for few pairs then petiolate, alternate, ovate or broadly falcate, to 17 cm long, 7.5 cm wide, glaucous; adult leaves petiolate, alternate, lanceolate, 9–15 cm long, 1.2–2.8 cm wide, concolorous, glossy, green to olive-green; side veins very acute to subparallel; reticulation very sparse, with numerous island oil glands. Inflorescences axillary, unbranched; peduncles to 1.6 cm long, 7–15-flowered; buds pedicellate, clavate, to 0.7 cm long, 0.5 cm diam., no scar (single operculum); operculum hemispherical; stamens mostly inflexed, with outer staminodes; anthers dorsifixed, reniform. Style short; ovules in 2 vertical rows; flowers white. Fruit pedicellate, obconical, to 1.1 cm long, 0.9 cm diam.; disc level to slightly descending; valves 3, rim level; seed dark brown to black, glossy, smooth, pyramidal but distorted by one curved face, hilum terminal. Flowers Sep.–Jan.

CVU, EGL, EGU, GipP, HFE, HNF, HSF, MonT, NIS, SnM, Strz, VAlp, VVP, WPro. Also NSW, Tas. Abundant on poor soils in dry hills and coastal lowland areas south and east of the Great Dividing Range in eastern Victoria, with the westernmost occurrence being west of Gisborne in the Pyrete Range. .

Notable for the thick, furrowed, brown-black, rough bark over the whole trunk of the mature tree, and the glaucous stems of young saplings. The stems of young trees are recognized by thinner, flaky, orange-brown, rough bark.

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.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Myrtales
family Myrtaceae
genus Eucalyptus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Eucalyptus sieberi in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Eucalyptus sieberi in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present native
Gippsland Plain present native
Central Victorian Uplands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Strzelecki Ranges present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
New South Wales
Australian Capital Territory