Prostanthera cruciflora is a species of flowering plant that is endemic to New South Wales. It is an erect, strongly aromatic shrub with egg-shaped leaves and white flowers with yellow streaks arranged in groups on the ends of branchlets.
Prostanthera cruciflora is an erect, strongly aromatic shrub that typically grows to a height of with branchlets densely covered with glands. Its leaves are greyish green, egg-shaped, long and wide on a petiole long, and densely glandular. The flowers are arranged in groups of about eight, the sepals about long, forming a tube about long with two lobes, the upper lobe about long. The petals are long and white with yellow streaks on the lower lobe. Flowering occurs from August to December.[1] [2]
Prostanthera cruciflora was first formally described in 1967 by James Hamlyn Willis in the journal Muelleria.[3] The specific epithet (cruciflora) is "an allusion to the cross-shaped lower lip of the corolla".
This mint bush grows in heath on exposed rock outcrops in the Mount Kaputar National Park and on nearby ranges.