Acacia echinula

Hedgehog wattle, Hooked wattle

Family: Fabaceae subfamily Mimosoideae

This multi-branched shrub typically grows to a height of 2 metres with hairy branchlets.

The phyllodes are cylindrical or 4-angled, to about 1 cm long, very sharply pointed, with one small gland at the base.

Like many wattles, flowers are bright, deep yellow and produced in globular heads. In this species, the globular heads are solitary and produced in the leaf axils (similarly to Acacia ulicifolia).

Seed pods are slightly to strongly curved and about 4 cm long.

This species is found in eastern parts of NSW, mainly from around Nowra in the south, to Lake Macquarie, but also with some occurrences to Grafton in the north. It is typically found on hills and plains in sandy soils, often over sandstone in dry sclerophyll forest communities.

In the garden

No information available. However, due to its prickly nature it would offer good protection for small birds in a garden situation.

Acacias can suffer from a number of pests, including borers, scale, galls and leaf miners. Growing plants suitable to your local environment minimises these pests occurring.

Propagation

Propagation is easy from scarified seed by covering with boiling water for 24 hours and discarding any seeds still floating on the surface.

Other information

Regenerates from soil seedbank after fire.

Acacia from Greek acis; a thorn.
echinula; leaves are spiny like sea urchin, from latin Echinus; a sea urchin genus.
Gk. for sea urchin is achinos (αχινος).

Not known to be at risk in the wild.

http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Acacia~echinula
http://northernbeachesherbarium.com.au/gallery3/index.php/flowers/Acacias/Acacia-echinula—Hedgehog-wattle/Acacia-echinula-16

By Jeff Howes