Biology:Kunzea preissiana

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Short description: Species of shrub

Kunzea preissiana
Kunzea preissiana.jpg
Kunzea preissiana in the Fitzgerald River National Park
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Kunzea
Species:
K. preissiana
Binomial name
Kunzea preissiana
Schauer[1]
Synonyms[1]
  • Kunzea preissiana var. glabra Blackall & Grieve nom. inval., nom. nud.
  • Kunzea preissiana Schauer var. preissiana
  • Kunzea preissiana var. villiceps (Schauer) Benth.
  • Kunzea villiceps Schauer
  • Kunzea villiceps var. glabrior Domin
  • Kunzea villiceps Schauer var. villiceps

Kunzea preissiana is a flowering plant in the myrtle family, Myrtaceae, and is endemic to the southwest of Western Australia. It is a shrub with hairy branches and leaves, pink to mauve flowers in groups on the ends of shoots, and twenty to thirty stamens about the same length as the petals. It is a widespread, often locally common species across its range.

Description

Kunzea preissiana is a shrub that typically grows to a height of 0.5 to 1.8 metres (2 to 6 ft) with a few erect stems, each with spreading stems densely covered with fine hairs. The leaves are almost flat, linear to lance-shaped with the narrower end towards the base, hairy on both sides, 3–6 mm (0.12–0.24 in) long and 0.5–1 mm (0.02–0.04 in) wide on a petiole about 0.5 mm (0.020 in) long. The flowers are arranged in groups of between about three and seven on the ends of shoots that continue to grow after flowering. There are hairy bracts and bracteoles at the base of the flowers, distinguishing this species from the similar K. affinis. The flower cup is densely hairy, about 3–3.5 mm (0.12–0.14 in) long. The sepal lobes are densely hairy, egg-shaped to lance-shaped and 1–1.5 mm (0.039–0.059 in) long. The petals are more or less egg-shaped, 2.5–3 mm (0.098–0.12 in) long and there are between 18 and 32 stamens about the same length as the petals. Flowering mainly occurs in September and October and the fruit is a hairy, urn-shaped capsule with the sepals spreading at right angles.[2][3][4]

This is a widespread kunze in the southwest and there is considerable variation in the species, especially in the hairs on the leaves and flower parts and some forms are very similar to K. acicularis.[5]

Taxonomy and naming

Kunzea preissiana was first formally described by the botanist Johannes Conrad Schauer in 1844 in Johann Georg Christian Lehmann's book Plantae Preissianae.[6][7]

Distribution and habitat

This kunzea grows in gravelly lateritic soil in kwongan and shrubland between Narrogin, Albany and to the east of Hopetoun in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee biogeographic regions.[2][3][4]

Conservation

Kunzea preissiana is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[3]

References

  1. 1.0 1.1 "Kunzea preissiana". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/62610. Retrieved 30 March 2019. 
  2. 2.0 2.1 Toelken, Helmut R. (1996). "A revision of te genus Kunzea (Myrtaceae) 1. The Western Australian section Zeanuk". Journal of the Adelaide Botanic Gardens 17: 92–95. https://data.environment.sa.gov.au/Content/Publications/JABG17P029_Toelken.pdf. Retrieved 31 March 2019. 
  3. 3.0 3.1 3.2 "Kunzea preissiana". FloraBase. Western Australian Government Department of Parks and Wildlife. https://florabase.dpaw.wa.gov.au/browse/profile/5859. 
  4. 4.0 4.1 Corrick, Margaret G.; Fuhrer, Bruce A. (2009). Wildflowers of southern Western Australia (3rd ed.). Dural, N.S.W.: Rosenberg Publishing. pp. 130–131. ISBN 9781877058844. 
  5. Toelken, Helmut R.; Craig, Gillian F. (2007). "Kunzea acicularis, K. strigosa and K. similis subsp. mediterranea (Myrtaceae) - new taxa from near Ravensthorpe, Western Australia". Nuytsia 17 (1): 391. https://florabase.dpaw.wa.gov.au/science/nuytsia/502.pdf. Retrieved 31 March 2019. 
  6. "Kunzea preissiana". APNI. https://id.biodiversity.org.au/instance/apni/468341. Retrieved 30 March 2019. 
  7. Schauer, Johannes Conrad; Lehmann, Johann Georg Christian (ed.) (1844). Plantae Preissianae (Volume 1). Hamburg: Sumptibus Meissneri. p. 125. https://www.biodiversitylibrary.org/item/199352#page/277/mode/1up. Retrieved 30 March 2019. 

Wikidata ☰ Q15368296 entry