Prostanthera serpyllifolia subsp. microphylla

Shrub to 0.5(–1.6) m high; branches and leaves sparsely to densely hairy, hairs recurved to reflexed, often appearing curled.  Leaves ovate to broadly elliptic (rarely narrowly ovate), (1–)1.5–3(–3.8) mm long, (0.5–)0.7–1.3(–2.7) mm wide, often reflexed, base obtuse to rounded, sometimes c. truncate; petiole 0–0.3(–0.5) mm long. Flowers appearing axillary; bracteoles mostly 2–4 mm long.  Calyx (4.3–)5–7.5(–9.5) mm long, maroon or green, tube 3–5 mm long, lobes 1.5–2.2 mm long; corolla bright pink to mid red, often white basally, and/or with yellow tinge distally or light metallic blue-green, rarely wholly yellow, tube 9–14 mm long; anther appendage c. 1 mm long.  Flowers spring.