white-mahogany
Eucalyptus acmenoides Schauer
White mahogany is a tall forest tree with a dense crown of dark foliage. Around Hornsby, north of Sydney, it is an important canopy component of Turpentine-Ironbark Forest and stands near the southern edge of its geographical range. The council’s account records a lifespan exceeding a century. Hornsby Shire: White Mahogany factsheet
Botanical name
Eucalyptus acmenoides Schauer is recognised by the New South Wales flora in Myrtaceae, matching the catalog. Royal Botanic Gardens Sydney: Eucalyptus acmenoides
Recognizing the plant
Thin, stringy bark persists on the trunk and branches, varying from grey to reddish brown. Adult leaves are lance-shaped, glossy above and markedly different in colour beneath, commonly eight to twelve centimetres long. Groups usually contain seven to eleven or more flower buds. Each bud has a conical cap, while the eventual woody fruit is hemispherical, with its valves enclosed or level with the rim. Royal Botanic Gardens Sydney: Eucalyptus acmenoides
Bloom window
Hornsby Shire, New South Wales
The local council records flowering from October to February. Hornsby Shire: White Mahogany factsheet
Native range
The New South Wales flora records it northward from Port Jackson into Queensland, in moist eucalypt forest or woodland. It favours deeper soils of moderate fertility with a regular supply of moisture. Royal Botanic Gardens Sydney: Eucalyptus acmenoides
Ecological relationships
Hornsby’s account identifies it as a food tree for koalas and greater gliders. Hornsby Shire: White Mahogany factsheet
Botanical sources
Reviewed 2026-10-11. Seasonal development varies with location and growing conditions.