Acacia shirleyi Maiden
Maiden, J.H. (1920) Journal and Proceedings of the Royal Society of New South Wales 53: 218. Type: Mount Rose, Eidsvold, Queensland (Dr. T.L. Bancroft, No. 14).
A small tree. Dead bark layered. Blaze odour resembles violets (Viola odorata).
Spikes moderately dense, about 2-3.5 cm long on peduncles about 5-9 mm long. Calyx about 0.5-0.8 mm long, with densely hirsute, obtuse lobes about 0.2-0.3 mm long. Corolla lobes glabrous, fused to about the middle, strongly reflexed, about 1.5-1.9 mm long. Stamens about 3 mm long, ovary densely pubescent.
Cotyledons elliptic, about 5-7 x 2-3 mm. First leaf pinnate, second leaf bipinnate, leaflets unequal-sided, hairy along the margin. At the tenth leaf stage: leaf blade phyllodineous, linear to linear-falcate, apex apiculate, base attenuate, hairy on both the upper and lower surfaces, midrib thick and prominent, other veins thin and flat; stipules linear-triangular, hairy, about 2 mm long. Seed germination time 7 to 12 days.
Shrub to small tree that has horticultural potential producing masses of yellow flowers in spikes.