Prostanthera eungella is a species of flowering plant in the family Lamiaceae and is endemic to the Eungella region in Queensland. It is an erect shrub with narrow egg-shaped leaves with small teeth, and mauve flowers that are white inside the petal tube and arranged in upper leaf axils. Description Prostanthera eungella is an erect shrub that typically grows to a height of about with hairy, glandular stems. The leaves are dark green, paler on the lower surface, narrow egg-shaped, long and wide on a petiole about long. There are up to six teeth up to long on the sides of the leaves. The flowers are arranged singly or in pairs in six to twenty leaf axils near the ends of branchlets, each flower on a pedicel long. The sepals are green, densely glandular and form a tube long with two lobes, the lower lobe long wide and the upper lobe about long. The petals are long, mauve and white inside the petal tube. The lower lip has three lobes, the centre lobe broadly spatula-shaped, long and about wide, the side lobes about long and wide. The upper lip is long and about wide with a central notch deep. Flowering has been recorded in May and December. Taxonomy Prostanthera eungella was first formally described in 2016 by Barry Conn and Kirstin M. Proft in the journal Telopea from specimens collected north-west of Eungella township. Distribution and habitat This mintbush is only known from near the type location where it grows in open forest and on the edge of rainforest. Conservation status Prostanthera eungella is classified as of "least concern" under the Queensland Government Nature Conservation Act 1992. References eungella Flora of Queensland Lamiales of Australia Taxa named by Barry John Conn Plants described in 2016