Acacia oshanesii, commonly known as corkwood wattle and irish wattle, is a species of Acacia native to eastern Australia.[1]
The shrub or tree has an erect habit and typically grows to a height of and has grey, green or brown coloured bark with a smooth or slightly fissured texture. The angled to terete branchlets have fine yellowish brown to white hairs found on the ridges. The filiform leaves have a long rachis with 7 to 27 pairs of pinnae with a length of that are, in turn, composed of 14 to 51 pairs of glabrous pinnules with an oblong to narrowly oblong shape that are in length and wide.[1] It flowers throughout the year and produces yellow flowers. The simple inflorescences are located in the axillary racemes and have spherical-flower-heads that contain 12 to 25 pale yellow or cream-coloured flowers. After flowering coriaceous and brownish black to bluish-black seed pods form that usually have a curved shape with a length of and have a width of .
It is found in parts of north eastern New South Wales from around Bellingen and Coff Harbour in the south extending northward into south eastern Queensland. It is found in a variety of habitat growing in gravelly, clay and sandy to loamy soils as a part of wet sclerophyll forest and rainforest communities.[1] Its range extends from around Maryborough in the north down to around Stanmore in the south where it is situated in coastal areas with a high rainfall and low altitudes.[2]