Acacia subtilinervis is a tree or shrub growing to a height of 4 metres with grey coloured bark and can have a spreading or erect habit. It is found in New South Wales, south from around the Lithgow area, growing mainly on the tablelands and then found on the coast south from around Nowra. The species also grows in Victoria. It is often found among rocky outcrops as a part of heathland or dry sclerophyll forest communities.
This species has evergreen, leathery phyllodes (modified leaves) which are narrowly elliptic to linear shape, to 15 cm long and 1.5 cm wide.
Flowering occurs between August and October. Flowers are produced in cylindrical-shaped heads to 3 cm in length and densely packed with bright yellow flowers.
The seed pods are straight and reasonably flat except for around the seeds, to 10 cm long and to 4 mm wide.
No recorded cultivation details.
Acacias can suffer from a number of pests, including borers, scale, galls and leaf miners. Growing plants suitable to your local environment minimises these occurring.
Propagation is easy from scarified seed by covering with boiling water for 24 hours and discarding any seeds still floating on the surface.
Most wattles will regenerate from seed after fire.
Acacia from Greek acis, a thorn.
subtilinervis – in reference to the very fine veins found in the phyllodes.
Acacia subtilinervis is listed as a high priority plant species requiring urgent management intervention. It is also listed at potential risk from introduced deer across the Australian Alps.
It is not currently listed as threatened in the wild.