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Tree growing to 15 m high, found on margins of wet sclerophyll forest, dry sclerophyll woodland and in pure stands, on sandstone and shale.
It is a rare plant in the wild and limited in NSW to east of Rylstone, Kandos and Capertee to Dharug National Park particularly from the area around Mount Yengo and the Howes Valley.
Phyllodes (modified leaves) are bright green, narrowly elliptic to about 20 cm long and 3.5 cm wide.
Flowers are produced in spikes, to 6 cm long, in phyllode axes, with up to 3 produced per axis. The spikes consist of many small staminate flowers, bright yellow, occurring from August to November
Seed pods are straight or sometimes curved or twisted and flat, to 10 cm long and 0.4 mm wide.
Cultivation details are currently not known.
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.
Similar to Acacia cheelii and A. blakei.
Most wattles regenerate from seed after fire with some species exhibiting reshooting/suckering from bases of trunks.
Acacia – from Greek acis, meaning a thorn or “thorny”.
matthewii – after Pattrick Matthew, a naturalist from the Central Coast of NSW.
A rare plant but not listed as endangered. Not considered at risk in the wild.
https://profiles.ala.org.au/opus/foa/profile/Acacia%20matthewii
http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Acacia~matthewii
