Rhodanthe humboldtiana

Rhodanthe humboltiana, commonly known as the golden cluster everlasting,[2] is a flowering annual in the family Asteraceae. It is a small, upright, branching plant with yellow flowers, and is endemic to Western Australia.

Golden cluster everlasting
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Rhodanthe
Species:
R. humboldtiana
Binomial name
Rhodanthe humboldtiana

Description

Rhodanthe humboldtiana is an upright or ascending, bushy annual to 30 cm (12 in) high with woolly or almost smooth stems arising from the base. The leaves are sessile, narrow, linear, greyish-green, 10–20 mm (0.39–0.79 in) long, 0.5–2 mm (0.020–0.079 in) wide, and the apex rounded. The flower heads are 1–2 cm (0.39–0.79 in) in diameter, borne singly at the end of leafy branchlets. The bracts are arranged in several rows, white, dry, pointed, mostly upright or the inner bracts spreading, corolla about 5 mm (0.20 in) long, toothed and the 20-50 florets yellow. The flowering occurs from August to January but mostly in spring, and the fruit is a rounded achene about 3 mm (0.12 in) long and covered with soft, silky, weak hairs.[2][3]

Taxonomy and naming

This species was first described as Helipterum humboldtianum in 1829 by Gaudich.[4] In 1992, Paul G. Wilson changed the name to Rhodanthe humboldtiana and the description was published in Nuytsia.[5][6] The specific epithet (humboldtiana) is named in honour of Alexander von Humboldt.[7]

Distribution and habitat

The Golden cluster everlasting grows on sand plains and heathland, sometimes with limestone from north of Perth to Shark Bay in Western Australia.[2][8]

References
  1. "Rhodanthe humboldtiana". Australia Plant Census. Retrieved 28 June 2023.
  2. Schaumann, M.; Barker, J.; Grieg, J. (1987). Australian Daisies. Sydney: Lothian Publishing. p. 170. ISBN 0850912911.
  3. Stajsic, Val. "Rhodanthe humboldtiana". VICFLORA-Flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 27 June 2023.
  4. " Helipterum humboldtianum". Australian Plant Name Index. Retrieved 29 June 2023.
  5. "Rhodanthe humboldtiana". Australian Plant Name Index. Retrieved 28 June 2023.
  6. Wilson, Paul (1992). "Rhodanthe humboldtiana". Nuytsia. 8 (3): 396. Retrieved 29 June 2023.
  7. George, A.S; Sharr, F.A (2021). Western Australian Plant Names and their meanings (4th ed.). Kardinya: Four Gables. p. 225. ISBN 9780958034197.
  8. Spooner, Amanda. "Rhodanthe humboldtiana". Florabase-the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. Retrieved 29 June 2023.
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