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Hibbertia basaltica

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Species of flowering plant

Basalt guinea flower
Conservation status

Endangered  (EPBC Act)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species: H. basaltica
Binomial name
Hibbertia basaltica
A.M.Buchanan & Schah.

Hibbertia basaltica, commonly known as basalt guinea flower, is a species of flowering plant in the family Dilleniaceae and is endemic to Tasmania. It is a prostrate or low-lying subshrub with linear to oblong leaves and yellow flowers with five or six stamens arranged in a two groups on either side of the two carpels.

Description

Hibbertia basaltica is a prostrate or low-lying subshrub with stems up to 40 cm (16 in) long. The leaves are linear to oblong, 3–6 mm (0.12–0.24 in) long and 1–1.6 mm (0.039–0.063 in) wide on a short petiole and with the edges rolled under. The flowers are arranged singly on the ends of short side-branches on a peduncle up to 6–14 mm (0.24–0.55 in) long with a narrow elliptic bract 1.5–3 mm (0.059–0.118 in) long. The five sepals are joined at the base, the outer two 4.5–5 mm (0.18–0.20 in) long and the inner lobes slightly shorter. The five petals are yellow and heart-shaped with the narrower end towards the base, 7.5–10 mm (0.30–0.39 in) long and are shed early. There are four or five stamens in a group on one side of the two carpels and a single erect stamen on the other side. Flowering mainly occurs from late September to late November.

Taxonomy

Hibbertia basaltica was first described in 2006 by Alex M. Buchanan and Richard B. Schahinger in the journal Muelleria collected in an old quarry near Pontville in 2004. The specific epithet (basaltica) refers to the basalt on which this species usually grows.

Distribution and habitat

Basalt guinea flower is only known from basalt areas between Pontville and Bridgewater near the lower reaches of the Jordan River in Tasmania, where it grows in areas of native grassland.

Conservation status

Hibbertia basaltica is listed as "endangered" under the Australia Government Environment Protection and Biodiversity Conservation Act 1999 and the Tasmanian Government Threatened Species Protection Act 1995.

See also

References

  1. "Hibbertia basaltica". Australian Plant Census. Retrieved 8 April 2021.
  2. ^ Buchanan, Alex M.; Schahinger, Richard B. (2006). "A new endemic species of Hibbertia (Dilleniaceae) from Tasmania". Muelleria. 22: 105–108. Retrieved 8 April 2021.
  3. Toelken, Hellmut R. (2013). "Notes on Hibbertia subg. Hemistemma (Dilleniaceae) 9. The eastern Australian H. vestita group, including H. pedunculata and H. serpyllifolia" (PDF). Journal of the Adelaide Botanic Gardens. 26: 36–37. Retrieved 8 April 2021.
  4. ^ "Hibbertia basaltica". Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 8 April 2021.
  5. "Hibbertia basaltica". APNI. Retrieved 8 April 2021.
  6. "Threatened species list - Hibbertia basaltica". Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 9 April 2021.
Taxon identifiers
Hibbertia basaltica
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