Acacia trinervata
Acacia trinervata commonly known as three-veined wattle, is a species of flowering plant in the family Fabaceae and the subgenus Phyllodineae. It is a tall shrub with angular branchlets, bright yellow flowers and grows in New South Wales.
Description
Acacia trinervata is an erect or spreading shrub growing to a height of. Its branchlets are smooth and angle towards the apex. The phyllodes are very narrowly elliptic to linear with a pointed sharp tip, long, wide and 2 or 3 prominent longitudinal veins. There is an inconspicuous gland 0–3 mm above the base, and the pulvinus is less than 1 mm long. The inflorescences are simple, occurring singly in the phyllode axils on peduncles about 10–20 mm long. The 20 to 30 bright yellow flowers are 5 to 7.5 mm in diameter. Flowering occurs from March to June and the fruit is a papery to thinly leathery pod, slightly swollen above the seed, minutely hairy, long and wide.
Distribution
Three-veined wattle grows in open forest on sandstone and shale and is endemic to New South Wales and restricted to western Sydney and the lower Blue Mountains.
Taxonomy and naming
The species was first described in 1825 by Franz Sieber, and the specific epithet trinervata derives from the Latin for "three veined".