Kunzea affinis

Kunzea affinis is a flowering plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a shrub with many branches, small, crowded leaves and pink, five-petalled flowers in early spring.

Kunzea affinis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Kunzea
Species:
K. affinis
Binomial name
Kunzea affinis

Description

Kunzea affinis is a shrub which grows to a height of up to 1.5 m (5 ft) and a width of about 1 m (3 ft). It usually has a few erect branched which have many intricate, short side branches and which are hairy when young. The leaf stalk is less than 1 mm (0.04 in) long and the leaf blade is linear, 3.5–6 mm (0.1–0.2 in) long and less than 1 mm (0.04 in) wide. The leaves are erect or pressed against the stem and have long hairs, mainly along their margins.[2][3][4]

The flowers are arranged in groups of two to five flowers on the ends of the branches which continue to grow after flowering. The flowers are surrounded by woolly bracts and bracteoles about 1.5 mm (0.06 in) long. The five sepals are broad egg-shaped, glabrous and 1–1.5 mm (0.04–0.06 in) long. The five petals are oval to spoon-shaped, 2.5–3 mm (0.098–0.12 in) long and rose-pink. There are about 20 to 25 rose-pink stamens 2.5–3 mm (0.098–0.12 in) long with bright yellow anthers on the end. Flowering occurs from August to October and is followed by fruit which are small capsules which release many small seeds when ripe.[2][3][4]

Taxonomy and naming

Kunzea affinis was first formally described in 1920 by Spencer Moore and the description was published in Journal of the Adelaide Botanic Garden.[1][5] The specific epithet (affinis) is a Latin word meaning "related to".[6] (Moore noted the similarity of this species to Kunzea pauciflora.)[5]

Distribution and habitat

This kunzea grows in sandy soils in a range of habitats including kwongan, in scrubby vegetation and along rivers, mainly between Ravensthorpe, the Stirling Range, Cape Riche and Lake King in the Coolgardie, Esperance Plains and Mallee biogeographic regions.[2][7][8][9]

Conservation

Kunzea affinis is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[7]

Use in horticulture

This kunzea has been in cultivation for many years. It can be most easily propagated from cuttings collected in spring or early summer or from seed but the seed is difficult to collect. This kunzea does best in areas where rainfall is mostly in winter and in well-drained soils. It will tolerate some shade and at least moderate frost and can be kept in shaped by light tip pruning.[3][4]

References
  1. "Kunzea affinis". APNI. Retrieved 23 December 2016.
  2. Toelken, Hellmut (1996). "A Revision of the Genus Kunzea (Myrtaceae) I. The Western Australian section Zeanuk". Journal of the Adelaide Botanic Garden. 17: 98–100.
  3. Mullens, Effie. "Kunzea affinis". Australian National Botanic Gardens. Retrieved 27 December 2016.
  4. "Kunzea afinis". Australian Native Plants Society (Australia). Retrieved 27 December 2016.
  5. Moore, Spencer (1920). "A contribution to the flora of Australia". Journal of the Linnean Society, Botany. 45: 202–203. Retrieved 27 December 2016.
  6. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 72.
  7. "Kunzea affinis". FloraBase. Western Australian Government Department of Parks and Wildlife.
  8. Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora : a descriptive catalogue. Perth: Wildflower Society of Western Australia. p. 388. ISBN 0646402439.
  9. Corrick, Margaret G.; Fuhrer, Bruce A. (2009). Wildflowers of southern Western Australia (3rd ed.). Kenthurst, N.S.W.: Rosenberg Pub. p. 130. ISBN 9781877058844.
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