Pimelea leucantha

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Pimelea leucantha
Pimelea leucantha.jpg
Near Cataby
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Thymelaeaceae
Genus: Pimelea
Species:
P. leucantha
Binomial name
Pimelea leucantha
Synonyms [1]

Pimelea rosea var. calocephala Meisn.

Pimelea leucantha is a species of flowering plant in the family Thymelaeaceae and is endemic to near-coastal areas in the west of Western Australia. It is a shrub with linear to narrowly egg-shaped or narrowly elliptic leaves and clusters of white to pale yellow flowers surrounded by 4 or 6 egg-shaped involucral bracts.

Contents

Description

Pimelea leucantha is an erect shrub that typically grows to a height of 0.4–2 m (1 ft 4 in – 6 ft 7 in) and has a single stem at ground level. The leaves are mostly linear to narrowly egg-shaped or narrowly elliptic, 12–28 mm (0.47–1.10 in) long and 1–5 mm (0.039–0.197 in) wide on a petiole 0.5–1.2 mm (0.020–0.047 in) long. The flowers are white to pale yellow and arranged in clusters on a peduncle 1–6 mm (0.039–0.236 in) long. There are 4 or 6 pale yellowish green, often pink-tinged, egg-shaped involucral bracts 14–24 mm (0.55–0.94 in) long and 6–14 mm (0.24–0.55 in) wide around the flower clusters, each flower on a hairy pedicel 1.0–1.5 mm (0.039–0.059 in) long. The sepals are 3.0–5.5 mm (0.12–0.22 in) long, the narrow section of the floral tube 9–14 mm (0.35–0.55 in) long, and the stamens usually shorter than the sepals. Flowering occurs from August to early November. [2] [3] [4] [5]

Taxonomy

Pimelea leucantha was first formally described in 1904 by Ludwig Diels in Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie . [6] [7] The specific epithet (leucantha) means "white-flowered". [8]

Distribution and habitat

This pimelea grows in deep sand, or in sand over rock mainly in jarrah or Banksia woodland in near coastal areas of Western Australia, from Tamala Station near Kalbarri to Nine Mile Lake Nature Reserve near Pinjarra, and extending inland as far as Three Springs, in the Avon Wheatbelt, Geraldton Sandplains, Swan Coastal Plain and Yalgoo bioregions. [3] [4] [5]

Conservation status

Pimelea leucantha is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions. [3]

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References

  1. 1 2 "Pimelea leucantha". Australian Plant Census. Retrieved 26 January 2023.
  2. ↑ Rye, Barbara L. "Pimelea leucantha". Flora of Australia. Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 27 January 2023.
  3. 1 2 3 "Pimelea leucantha". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. 1 2 Rye, Barbara L. (1988). "A revision of Western Australian Thymelaeaceae". Nuytsia. 6 (2): 238. Retrieved 26 January 2023.
  5. 1 2 Rye, Barbara L. (1999). "An updated revision of Pimelea sect. Heterolaena (Thymelaeaceae), including two new taxa". Nuytsia. 13 (1): 182–183. Retrieved 26 January 2023.
  6. ↑ "Pimelea leucantha". APNI. Retrieved 26 January 2023.
  7. ↑ Diels, Ludwig (1904). Engler, Adolf (ed.). "Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse". Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. 35 (2–3): 393. Retrieved 26 January 2023.
  8. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 239. ISBN   9780958034180.
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