Correa decumbens

Correa decumbens, commonly known as the spreading correa,[2] is a species of prostrate to spreading shrub that is endemic to South Australia. It has narrow oblong to narrow elliptical leaves and narrow cylindrical, pink to red flowers with green lobes.

Spreading correa
Correa decumbens in Monash University grounds
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Correa
Species:
C. decumbens
Binomial name
Correa decumbens
Synonyms[1]

Description

Correa decumbens is a prostrate to spreading shrub that typically grow to a height of 1 m (3 ft 3 in) with its branchlets covered with reddish brown hairs. The leaves are narrow oblong to narrow elliptical, mostly 20–50 mm (0.79–1.97 in) long and 5–10 mm (0.20–0.39 in) wide on a petiole 3–5 mm (0.12–0.20 in) long. The upper surface of the leaves is glabrous and the lower surface is covered with woolly, rust-coloured hairs. The flowers are usually arranged singly on the ends of short side shoots on pedicels 5–10 mm (0.20–0.39 in) long with linear to spatula-shaped bracts 5–10 mm (0.20–0.39 in) at the base. The calyx is hemispherical to cup-shaped, 2–4 mm (0.079–0.157 in) long and hairy, with eight linear lobes 3–7 mm (0.12–0.28 in) long. The corolla is narrow cylindrical, pink to red with four green lobes, 18–27 mm (0.71–1.06 in) long. The eight stamens extend well beyond the end of the corolla. Flowering occurs between November and February as well from April to August in the species' native range.[2][3][4]

Taxonomy

Correa decumbens was first formally described in 1855 by botanist Ferdinand von Mueller in Transactions and Proceedings of the Victorian Institute for the Advancement of Science from plants growing "on the cataracts towards Mount Lofty, and on the banks of the Onkaparinga in South Australia".[5][6]

Distribution and habitat

Spreading correa occurs on the southern Mount Lofty Ranges where it grows in forest dominated by stringybark and on Kangaroo Island where it grows in forest dominated by sugar gum (Eucalyptus cladocalyx).[2][3]

References
  1. "Correa decumbens". Australian Plant Census. Retrieved 11 July 2020.
  2. "Correa decumbens (Rutaceae) Spreading Correa". South Australian Seed Conservation Service. Retrieved 11 July 2020.
  3. Wilson, Paul G.; Wilson, Annette J.G. (ed.); Bolton, P.E. (ed.). "Correa decumbens". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 11 July 2020.CS1 maint: extra text: authors list (link)
  4. "Correa decumbens". State Herbarium of South Australia. Retrieved 11 July 2020.
  5. "Correa decumbens". APNI. Retrieved 11 July 2020.
  6. von Mueller, Ferdinand (1855). "Description of fifty new Australian plants, chiefly from the colony of Victoria". Transactions and Proceedings of the Victorian Institute for the Advancement of Science. 1: 30. Retrieved 11 July 2020.
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