Rhodanthe anthemoides

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Chamomile sunray
Rhodanthe anthemoides flowerhead10 ANBG ST - Flickr - Macleay Grass Man.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Rhodanthe
Species:
R. anthemoides
Binomial name
Rhodanthe anthemoides
Synonyms
  • Argyrocome anthemoides(Spreng.) Kuntze
  • Helichrysum anthemoidesSieber ex Spreng.
  • Helipterum anthemoides(Spreng.) A.Cunn. ex DC
  • Roccardia anthemdoides(Sieber ex Spreng.) Voss
Habit Rhodanthe anthemoides plant10 ANBG ST - Flickr - Macleay Grass Man.jpg
Habit

Rhodanthe anthemoides, commonly known as chamomile sunray, [2] is a flowering plant in the family Asteraceae. It is a small, perennial shrub with greyish-green leaves, white papery flowers, [3] yellow centre and is endemic to Australia.

Contents

Description

Rhodanthe anthemoides is an upright to ascending, bushy perennial up to 30 cm (12 in) high and up to 60 cm (24 in) wide. The leaves are arranged alternate, sometimes crowded, thick, linear or lance-shaped, 4–15 mm (0.16–0.59 in) long, 0.5–2 mm (0.020–0.079 in) wide, mostly smooth, margins and mid-rib with occasional glandular hairs. The flowers heads are borne singly at the end of slender stems arising from the base, inner involucral bracts white, papery, elliptic shaped, about 6 mm (0.24 in) long and the 30-40 florets yellow. Flowering occurs from September to February and the fruit is a small, dry achene, about 2 mm (0.079 in) long and covered with silky hairs. [4] [5]

Taxonomy and naming

This species was first described in 1826 as Helichrysum anthemoides by Kurt Polycarp Joachim Sprengel from an unpublished description by Franz Sieber. [6] In 1992 Paul G. Wilson changed the name to Rhodanthe anthemoides and the description was published in Nuytsia . [7] [8] The specific epithet (anthemoides) means like Anthemis . [9]

Distribution and habitat

Chamomile sunray is a widespread species growing on sandy, rocky and alpine herb fields in Queensland, New South Wales, Victoria, and Tasmania. Although a widespread species on the mainland, in Tasmania it is listed as "rare" under the Threatened Species Protection Act. [4] [10]

Cultivation

The species is commonly cultivated, preferring a well drained, lightly shaded situation. Cutting back after flowering prevents plants from becoming straggly. [2] Plants are well suited to being grown in containers.

Propagation is from seed or cuttings, named cultivars requiring the latter method to be true to type. [2]

Related Research Articles

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References

  1. "Rhodanthe anthemoides". Australian Plant Census. Retrieved 22 June 2023.
  2. 1 2 3 "Rhodanthe anthemoides". Australian Plants Society (Australia). Retrieved 6 April 2011.
  3. "Rhodanthe anthemoides". VICFLORA-Flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 20 June 2023.
  4. 1 2 "Rhodanthe anthemoides" (PDF). Threatened Flora of Tasmania. Department of Primary Industries. Retrieved 6 April 2011.
  5. Wilson, Paul. "Rhodanthe anthemoides". PlantNET-NSW Flora Online. Royal Botanic Gardens Sydney. Retrieved 20 June 2023.
  6. "Helichrysum anthemoides". Australian Plant Name Index. Retrieved 20 June 2023.
  7. "Rhodanthe anthemoides". Australian Plant Name Index. Retrieved 20 June 2023.
  8. Wilson, Paul (1992). "Rhodanthe anthemoides". Nuytsia. 8 (3): 386. Retrieved 20 June 2023.
  9. George, A.S; Sharr, F.A (2021). Western Australian Plant Names and their meanings (4th ed.). Kardinya: Four Gables. p. 137. ISBN   9780958034197.
  10. Schaumann, M.; Barker, J.; Grieg, J. (1987). Australian Daisies. Sydney: Lothian Publishing. p. 160. ISBN   0850912911.