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Prostanthera staurophylla F.Muell.
Family Lamiaceae
Prostanthera staurophylla F.Muell. APNI*

Description: Erect to spreading shrub, 1–1.8 m high, strongly, but pleasantly aromatic; branches densely covered with short, curled or crisped hairs and ± sessile glands.

Leaves with lamina elliptic to oblong or more commonly widely trullate or cross-shaped, deeply (1-) 3(-7)-lobed, 2–9 mm long, 0.9–7 mm wide; apex obtuse; base narrow-cuneate; margin entire and strongly recurved, never revolute; surfaces light to mid green, densely covered with curled or crisped hairs, upper surface sparsely glandular when young; petiole distinct, 0.6–1.2 mm long.

Flowers axillary, part inflorescence 1-flowered; bracteoles not persistent, 0.3–0.4 mm long. Calyx 3.4–4 mm long; tube 2–2.5 mm long; upper lobe 1.2–1.6 mm long, not enlarged in fruit. Corolla 15–18 mm long, bluish mauve with darker markings. Anthers with a basal appendage.


Illustration
L. Elkan

Habitat
Photo D. Hardin

Flower
Photo T.C. Wilson

Flowering: August–December

Distribution and occurrence: Only known from the Tenterfield district, Northern Tablelands, N.S.W.

Grows in open and exposed areas, with Kunzea opposita, Leptospermum novae-angliae and Leucopogon neo-anglicus understorey, amongst granite outcrops;
NSW subdivisions: NT

Threatened species: NSW TSCA: Endangered ROTAP: 2R
AVH map***

Text by B. J. Conn (2005)
Taxon concept: J.T. Hunter, J.B. Williams & B.J. Conn, Telopea, vol. 11 (2005)


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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