Common name: Honey Locust
Gleditsia triacanthos L. APNI*
Description: Spreading deciduous tree to 10 m high, usually with stout, simple or branched spines, 2–10 cm long.
Leaves 15–20 cm long, pinnate with 5–15 pinnae pairs or more often bipinnate with 2–7 pairs of pinnae and 12–30 pinnules per pinnae; leaflets elliptic to ovate, mostly 10–35 mm long, 5–12 mm wide, sparsely toothed; petiole and rachis ± hairy, petiole 3–5 cm long.
Racemes 5–10 cm long, golden-pubescent. Calyx 3–4 mm. Petals 4–6 mm long.
Pod slightly falcate, 15–40 cm long, 3–4 cm wide, dark brown; seeds 15–25, c. 10 mm long.
Flowering: spring, after new leaves have formed.
Distribution and occurrence: Cultivated as an ornamental or shade tree, sometimes naturalized. Native of N Amer.
NSW subdivisions: *NC, *CC, *ST, *NWS, *CWS, *NWP
Other Australian states: *Qld ?W.A.
Declared Noxious Weed
Grows readily from sed or cuttings and freely suckers, often forming dense thickets.
Text by B. Wiecek
Taxon concept: J.H. Ross (1998)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.