Prostanthera spathulata T.C.Wilson & B.J.Conn APNI* Synonyms: Prostanthera sp. 'Mt Tinbeerwah' (P.R. Sharpe 4781) APNI*
Description: Sprawling woody shrub to 1.5 m high, strongly aromatic when crushed, reminiscent of lemon and pine. Branchlets densely covered in hairs to 0.8 mm long, surface yellowish or reddish green, developing reddish brown bark; hairs 0.3–0.8 mm long.
Leaves bright yellowish green with margin red or maroon; petiole short (up to 1 mm long); lamina spathulate to broadly so, 4–9 mm long, 2–3(–5) mm wide, sometimes with a few hairs, densely covered by sessile glands, base attenuate, margin entire and undulate, apex acute, venation indistinct.
Flowers appearing axillary; Pedicel 1–1.3 mm long. Prophylls persistent, linear to elliptic, 0.1–0.2(–1.3) mm long, 0.1–0.2 mm wide. Calyx yellowish green and maroon distally, tube 2.5–4 mm long, abaxial lobe 1.5–2.5 mm long, adaxial lobe 1.5–1.7(–2.5) mm long. Corolla 8.5–9.5 mm long, pale mauve, throat white and covered with yellow spots. Stamens white with anthers mauve, connective appendage 0.6–1 mm long.
Fruiting calyx slightly larger than flowering calyx. Mericarps 1–1.5 mm long.
Flowering: January to December.
Distribution and occurrence: Greater area surrounding Yuraygir National Park. NSW subdivisions: NC. Sclerophyll forest with heath understory.
NSW subdivisions: NC
Other Australian states: Qld
Text by Trevor C Wilson (June 2024)
Taxon concept: Trevor C.Wilson, Barry J. Conn (2015) Two new species of Prostanthera (Lamiaceae) from south eastern Queensland. Telopea 18: 255–263.
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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