Robinia pseudoacacia L.

Locust Tree

Sp. Pl. 722 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Deciduous, root-suckering tree to c. 17 m tall; younger stems hairy. Leaves 8–15 cm long; leaflets 11–21, oblong to obovate, 1.5–5 cm long, 1–2.5 cm wide, obtuse to emarginate, mucronate, glabrescent, margins entire; petiole 2–4 cm long; petiolules 1–3 mm long; stipellae 0.5–1.5 mm long; stipules becoming spiny, 5–25 mm long. Inflorescences 10–15 cm long; peduncle 1–3 cm long. Flowers many, fragrant; pedicels 5–10 mm long; calyx campanulate, c. 6 mm long, sparsely pubescent, teeth shorter than tube, unequal; corolla 15–20 mm long, white, pink or purplish; standard suborbicular; wings oblong-falcate; keel obtuse, about as long as wings; anthers uniform. Pod 3–8 cm long, 10–15 mm wide, pendulous, glabrous; seeds reniform, c. 5 mm long, mottled. Flowers Sep.–Nov.

*CVU, *GipP, *Gold, *GGr, *HNF, *HSF, *NIS, *VRiv, *VVP, *Wim. Also naturalised SA, Qld, NSW, ACT. Native to North America. An often cultivated ornamental tree that has become sporadically naturalised in Victoria, due largely to its vigorous suckering habit.

Source: Jeanes, J.A. (1996). Fabaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-06
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Fabales
family Fabaceae
genus Robinia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Robinia pseudoacacia in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Robinia pseudoacacia in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Gippsland Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Northern Inland Slopes present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised

State distribution

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