Acacia resinicostata


Acacia resinicostata is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to north eastern Australia.

Description

The glabrous and somewhat resinous shrub typically grows to a height of and has a bushy, rounded habit. It branchlets have small rounded protuberances and crowded, light green, linear to narrowly oblong shaped flat phyllodes that are straight or incurved. They have a length of and a width of and are abruptly constricted at the base with an obscure midrib. The simple inflorescences occur singly in the axils and have spherical flower-heads that contain 25 to 35 deep lemon yellow coloured flowers. The firmly chartaceous seed pods that form after flowering have a narrowly oblong shape with a length up to containing longitudinally arranged seeds. The black seeds have an oblong-elliptic shape with a length of and a cream coloured clavate aril.

Distribution

It is a disjunct distribution and is endemic to a small area in the Carnarvon Range in south eastern Queensland and around further south between Djuan and Karara where it is found in dissected sandstone country in skeletal soils as a part of open woodland communities.