The tree or shrub typically grows to a height of 2 to 10 metres (7 to 33 ft) and has a bushy habit and glabrous branchlets that are angled at the extremities.

The firmly chartaceous seed pods that form after flowering are glabrous and covered with a fine white powder.

The dull black seeds within the pods are arranged longitudinally and have an oblique oblong-elliptic to ovate shape with a length of 4 to 5 mm (0.16 to 0.20 in).

[4] The specific epithet honours Agnes Louisa Kettlewell, who was an official with the Wattle Day League.

[2] Its range is from around Tumut in the north to around Omeo in the south where it is often found on the lower slopes, on granite hillsides, along river flats and in gullies as a part of dry sclerophyll forest and woodland communities.