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Prostanthera granitica Maiden & Betche
Family Lamiaceae
Common name: Granite Mintbush

Prostanthera granitica Maiden & Betche APNI*

Description: Spreading shrub, 0.6–1 m high, to 2 m diam., non-aromatic or only faintly so; branches densely covered with short, curled hairs.

Leaves with lamina ± ovate, appearing narrow-ovate when margins revolute, 6–15 mm long, 2–5 mm wide; apex subacute; base rounded to slightly cordate; margins entire and usually revolute; surfaces light green, often with maroon margins, hirsute, moderately to densely hairy, especially on lower surface; hairs curled to antrorse, coarse and rigid on upper surface, often densely glandular; petiole 0–1 mm long.

Flowers axillary; bracteoles persistent, c. 2 mm long. Calyx 5 mm long; tube 3 mm long; upper lobe 2 mm long, not enlarged in fruit. Corolla 8–10 mm long, purple to mid violet or occasionally white, with dots on lower lobe. Anthers without appendage.

Photo T.M. Tame


Flowering: Aug.–Dec.

Distribution and occurrence: Grows in heath and dry sclerophyll forest on shallow soils of rocky crevices and ledges; chiefly from Howell to the Bathurst district.
NSW subdivisions: NT, CT, NWS, CWS, SWS, NWP
AVH map***

Text by B. J. Conn
Taxon concept: Flora of NSW 3 (1992)

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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