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Prostanthera palustris B.J.Conn
Family Lamiaceae
Prostanthera palustris B.J.Conn APNI*

Synonyms: Prostanthera sp. 'Bundjalung National Park' (Conn 3471) APNI*
Prostanthera sp. F sensu B.J.Conn (1992) APNI*

Description: Low spreading, weak subshrub, 0.2–0.3 m high. Branches subterete, laterally 2-ridged, hairy restricted to area between the ridges; hairs antrorse, more or less appressed, 0.4–0.7 mm long, white.

Leaves non-aromatic; lamina spathulate, (3-)4–6(-8) mm long, (2.5-)3.5–5 mm wide, sparsely hairy, particularly on midrib and veins; base attenuate; margin entire, slightly recurved; apex rounded; petiole 1–2 mm long, grading into base of lamina.

Inflorescence a frondose racemiform conflorescence, uniflorescence monadic; 4–10-flowered [per conflorescence]. Bracteoles not persistent, usually only base persisting, 1.2–1.5 mm long. Calyx 4–6 mm long; tube 2.5–3 mm long; lobes 1.5–3 mm long. Corolla 8–10 mm long, pale mauve, white with deep yellow dots in throat and inner adaxial-median surface of tube; Anthers with basal appendage, terminating in 4–6 narrowly triangular trichomes.

L. Elkan

Photo T.C. Wilson

Distribution and occurrence:
NSW subdivisions: NC
Other Australian states: Qld
Threatened species: NSW BCA: Vulnerable; Commonwealth EPBC: Vulnerable
AVH map***

Text by B. J. Conn (1997)
Taxon concept: B.J. Conn (1997) Four rare and/or threatened new species of Prostanthera section Prostanthera (Labiatae) from New South Wales. Telopea 7(3); 231-244

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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