Common name: Somersby Mintbush
Prostanthera junonis B.J.Conn APNI*
Synonyms: Prostanthera sp. 'Somersby' (Conn 4024) APNI*
Prostanthera marifolia sensu Auct., non R.Br. APNI*
Description: Low straggling shrub, to 1 m high, non-aromatic; branches moderately covered with long, spreading to retrorse hairs.
Leaves with lamina narrow-ovate to ovate, often appearing ± triangular when margins strongly recurved, 4–10 mm long, 4–5 mm wide; apex obtuse; base shortly attenuate to truncate; margins entire and at least partly recurved; surfaces green, ± hirsute, moderately covered with spreading, often slightly antrorse hairs; lower surface sparsely to moderately glandular; petiole c. 0.5 mm long.
Flowers axillary; bracteoles persistent, c. 2 mm long. Calyx 5.5–6 mm long; tube 1.5–2 mm long; upper lobe c. 4 mm long, slightly enlarged in fruit. Corolla 7–10 mm long, purple to mauve. Anthers with appendage 0.8–1 mm long.
Distribution and occurrence: Occurs in Mangrove Mtn and Sydney districts.
Grows in sclerophyll forest and woodland, usually near the coast, in sandy loamy soils, overlying sandstone.
NSW subdivisions: CC
Threatened species: NSW TSCA: Endangered ROTAP: 2E
Text by B. J. Conn
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