Boronia angustisepala

An erect shrub, growing to 1.5 metres tall, spreading to about 1 metre wide.

It grows solely in and has a restricted distribution in NSW, with some disjunct populations occurring in the Kandos – Hunter Valley area, then growing west of Grafton, with some records at Coonabarabran and north-west of Narrabri.
It typically grows in dry sclerophyll woodlands and forests on sandstone and sandy soils.

It has branchlets covered with start-shaped (stellate) hairs.

Boronia spp. produce opposite leaves which can be simple or compound (sometimes on the same plant) and are usually aromatic (sometimes strongly-so). In this species, leaves are compound-imparipinnate with 3 to 11 leaflets. Overall, leaves are up to 60 mm long, aromatic when crushed.
The leaflets are elliptic to spathulate, to 25 mm long and 10 mm wide with rounded apices, with hairs usually on either side.

Boronia have complete flowers (bisexual and with all whorls present). The flowers are produced either solitarily or in groups, in the leaf axils, or, at the branch terminals. There are usually four sepals, four petals and generally eight stamens, surrounding one female part (carpel). Flowers are often pink to purple, which makes them easily identifiable in NSW bushland.

In this species, flowers are produced in leaf axils, either solitarily, or up to groups of 3, bright pink in colour, occurring from July to November.

The fruit of Boronia are described as a schizocarp-capsule; a capsule that splits into even segments, which each segment called a coccus.

In this species, the fruit are about 6 mm long and 3 mm wide with the remnants of the petals attached.