Muehlenbeckia costata K.L.Wilson & Makinson APNI* Synonyms: Muehlenbeckia sp. Mt Norman (J.T.Hunter 3847) Makinson APNI*
Muehlenbeckia costata K.L.Wilson & R.O.Makinson ms. APNI*
Muehlenbeckia sp. nov. 'costata' APNI*
Description: Scrambler with decumbent stems, flowering stems erect to c. 50 cm high, to 4.5 mm diam.
Leaves with lamina ovate to oblong-ovate, 3–8 cm long, 15–60 mm wide, base ± cordate, often irregularly white-scabrous on the veins and margins; petiole 1–4 cm long.
Inflorescences spread evenly along branches, 4–14 cm long. Perianth somewhat fleshy. Anthers 0.6–1.0 mm long.
Achene subglobose, 3-ribbed near the apex with 6 additional longitudinal ridges below, 2.5–3.5 mm long, tuberculate, black, ± shining.
Distribution and occurrence: Sporadic after disturbance on Northern and Central Tablelands. Mostly in rocky, higher-altitude sites following disturbance such as fire or clearing for powerlines. An old collection from Wallerawang possibly now underwater in artificial lake.
NSW subdivisions: NT, CT
Other Australian states: Qld
This species is listed under the NSW Threatened Species Legislation as Muehlenbeckia costata K.L.Wilson & R.O.Makinson ms (now formally published).
Text by K.L. Wilson (1990); edited KL Wilson (Sept 2006; Aug 2012; October 2024)
Taxon concept: Flora of NSW 1 (1990)
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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