Acacia leptostachya

Distribution Map
Family: Fabaceae subfamily Mimosoideae
Distribution: Eastern and central Queensland from Cape York to the Chinchilla, Charleville area of southern Queensland, in open woodlands.
Common Name: Townsville wattle.
Derivation of Name: Acacia; from Greek acis, a thorn.
leptostachya; from Greek lepto, slender and stachys, an ear of corn (as in the sense of a spike of flowers).
Conservation Status: Not considered to be at risk in the wild.

General Description:

Acacia leptostachya is a a variable shrub, with dense foliage and a rounded shape, usually about 2 metres in height, but occasionally to 5 metres. Young growth on both branches and phyllodes is hairy. Bark is dark grey and fissured.

Acacia leptostachya

Acacia leptostachya
Acacia leptostachya
Photos: Keith Townsend

Phyllodes are stiff, usually straight and narrow (although variable, particularly when juvenile), leathery, grey-green, 3-9 cm x 0.3-1 cm with many longitudinal veins.

The golden yellow spike flowers, 2-4 cm long occur in pairs (occasionally more) in the leaf axils. Flowering period is June to August and is followed by narrow curved pods to 6cm in length with seeds either longitudinal or transverse in the pod.

The plant will do best in full sun, well drained soil and a generally dry position.

Propagation is relatively easy by normal seed raising methods following pretreatment by soaking in boiling water or by scarification.

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