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Prostanthera rugosa A.Cunn. ex Benth.
Family Lamiaceae
Prostanthera rugosa A.Cunn. ex Benth. APNI*

Description: Open divaricate shrub 1–1.5 m high, aromatic; branches densely covered with long spreading hairs, at least on young growth, and ± sessile glands.

Leaves often crowded together; lamina narrow-ovate to ovate, 3–9 mm long, 2–5 mm wide, thick and fleshy; apex ± obtuse; base broad-cuneate to rounded; margins with 2 or 3 obtuse lobes on either side, ± recurved; upper surface sparsely to moderately covered with short, ± spreading hairs, lower surface glabrous or moderately covered with long spreading hairs, especially on midvein, lower surface densely glandular; petiole 0.5–2 mm long.

Flowers axillary; bracteoles persistent, < 0.5 mm long. Calyx 4–5 mm long; tube 2–3 mm long; upper lobe 2–3 mm long, enlarged in fruit. Corolla 10–13 mm long, mauve with a white tinge. Anthers with appendage 0.5–0.8 mm long.


Flower
Photo T.C. Wilson

Flowering: September–October

Distribution and occurrence: Grows in wet and dry sclerophyll forest; probably restricted to the Moss Vale district.
NSW subdivisions: NC, CC, SC, CT, ST
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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