Prostanthera decussata

Compact, dense shrub to c. 2 m high, strongly aromatic; branches densely covered with short and long, spreading to subpatent hairs. Leaves ovate to narrowly ovate (young leaves broadly ovate), moderately thick, 4–7 mm long, 1–3.5 mm wide, dark green above, paler below, moderately covered with stiff, tuberculate, multicellular hairs, densely glandular on lower surface, base narrowly obtuse; margin entire, strongly recurved to revolute, apex obtuse; petiole 0–0.6 mm long. Flowers appearing axillary in distal nodes; bracteoles persistent, 2.5–3 mm long, 0.4–0.8 mm wide. Calyx 3.5–4 mm long, tube 1–1.5 mm long, adaxial lobe 2–2.5 mm long (not or only slightly enlarged in fruit); corolla mauve to violet, occasionally pinkish, markings absent, 6–8 mm long; anther appendage absent. Flowers Oct.–Mar.