Eucalyptus kondininensis

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Kondinin blackbutt
Eucalyptus kondininensis.jpg
Eucalyptus kondininensis near Lake Grace
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. kondininensis
Binomial name
Eucalyptus kondininensis

Eucalyptus kondininensis, commonly known as Kondinin blackbutt, [2] is a species of tree that is endemic to the south-west of Western Australia. It has rough, black bark on the trunk, smooth grey to white bark on the branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped to conical fruit. [3]

Contents

flower buds Eucalyptus kondininensis buds.jpg
flower buds
fruit Eucalyptus kondininensis fruit.jpg
fruit
illustration from A Critical Revision of the Genus Eucalyptus (Joseph Maiden) A critical revision of the genus Eucalyptus (1903) (20525699309).jpg
illustration from A Critical Revision of the Genus Eucalyptus (Joseph Maiden)

Description

Eucalyptus kondininensis is a tree that typically grows to a height of 4 to 20 metres (13 to 66 ft) and usually forms a lignotuber although some specimens lack a lignotuber and are mallets. The bark on at least half of the trunk is rough, hard, black and flaky, the bark above smooth, grey and white. Young plants and coppice regrowth have stems that are more or less square in cross-section and lance-shaped leaves that are 55–80 mm (2.2–3.1 in) long and 10–15 mm (0.39–0.59 in) wide. Adult leaves are arranged alternately, glossy green, lance-shaped, 60–117 mm (2.4–4.6 in) long and 6–12 mm (0.24–0.47 in) wide, tapering to a petiole 10–20 mm (0.39–0.79 in) long. The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle 5–14 mm (0.20–0.55 in) long, the individual buds more or less sessile. Flowering occurs between December and July and the flowers are white. The fruit is a woody, cup-shaped to conical capsule 4–6 mm (0.16–0.24 in) long and 4–7 mm (0.16–0.28 in) wide with the valves near rim level. The seeds are glossy, reddish brown, flattened oval and 0.8–2 mm (0.031–0.079 in) long. [2] [3] [4]

Taxonomy

Eucalyptus kondininensis was first formally described by Joseph Maiden and William Blakely in 1925 in the Journal and Proceedings of the Royal Society of New South Wales . [5] [6] The specific epithet is in reference to town of Kondinin, the area in which tree is found. [2]

The tree belongs in subgenus Symphyomyrtus section Dumaria to a large sub-group, the series Rufispermae, composed of 37 described species and subspecies including E. striaticalyx , E. gypsophila and E. repullulans . [7]

Distribution and ecology

Kondinin blackbutt is found on rocky rises, on salt flats and around salt lakes in inland areas of the Wheatbelt and Goldfields-Esperance regions of Western Australia where it grows in loamy-sandy-clay soils over laterite. [3] It has a scattered distribution from around Pingelly in the west to Ravensthorpe in the east and from Lake King in the north to Nyabing in the south. [2] It occurs in the Avon Wheatbelt, Esperance Plains and Mallee bioregions of south-western Western Australia. [3]

Found in open woodland areas where it occurs as part of the overstorey along with Eucalyptus longicornis , E. urna , E. sargentii and E. salmonophloia . Associated species found in the understorey include Melaleuca lateriflora , M. acuminata , M. thyoides , Rhagodia drummondii , Atriplex paludosa , Atriplex vesicaria , Rhagodia preissii , Templetonia sulcata , Acacia erinacea and Disphyma crassifolium . [8]

Conservation status

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

See also

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<i>Eucalyptus carnei</i> Species of eucalyptus

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<i>Eucalyptus diptera</i> Species of eucalyptus

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<i>Eucalyptus dundasii</i> Species of eucalyptus

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<i>Eucalyptus terebra</i> Species of eucalyptus

Eucalyptus terebra, commonly known as Balladonia gimlet, is a species of gimlet that is endemic to Western Australia. It has satiny or glossy bark on its fluted trunk, linear to narrow lance-shaped adult leaves, flower buds in groups of seven, yellowish flowers and conical to hemispherical fruit. It is one of the seven species of gimlet.

References

  1. ↑ "Eucalyptus kondininensis". Australian Plant Census. Retrieved 9 August 2019.
  2. 1 2 3 4 "Eucalyptus kondininensis". Euclid. CSIRO. Retrieved 1 June 2020.
  3. 1 2 3 4 5 "Eucalyptus kondininensis". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ Chippendale, George M. "Eucalyptus kondininensis". Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 9 August 2019.
  5. ↑ "Eucalyptus kondininensis". APNI. Retrieved 9 August 2019.
  6. ↑ Maiden, Joseph; Blakely, William (1925). "Descriptions of sixteen new species of Eucalyptus". Journal and Proceedings of the Royal Society of New South Wales. 59: 189–192. Retrieved 9 August 2019.
  7. ↑ "Eucalyptus striaticalyx". Euclid. CSIRO . Retrieved 16 November 2018.
  8. ↑ "Eucalyptus kondininensis (Kondinin Blackbutt) Woodlands". Wheatbelt woodlands. Department of Environment and Conservation . Retrieved 18 November 2018.
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