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''Eucalyptus drummondii'', commonly known as Drummond's gum or Drummond's mallee, is a species of mallee or tree that is endemic to the southwest of Western Australia. It has smooth bark, narrow elliptical to egg-shaped adult leaves, flower buds in groups of seven, white flowers and hemispherical fruit.
Description
''Eucalyptus drummondii'' is a mallee that typically grows to a height of or sometimes a tree to and forms a lignotuber. It has smooth, powdery bark that is white, pink or grey in colour. Young plants and coppice regrowth have leaves arranged alternately, egg-shaped to more or less round, long and wide. Adult leaves are grey-green in colour, narrow elliptical to egg-shaped, long and wide on a petiole long. The flower buds are arranged in groups of seven in leafaxil
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...
s on an unbranched peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
long, the individual buds on a pedicel
Pedicle or pedicel may refer to:
Human anatomy
*Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures
...
long. Mature buds are oval, long and wide with a conical to rounded operculum with a small point on the top. Flowering mainly occurs from September to December and the flowers are white. The fruit is a woody, hemispherical capsule long and wide with the valves extending beyond the level of the rim.
Taxonomy
''Eucalyptus drummondii'' was first formally described in 1867 by George Bentham in his book '' Flora Australiensis''. Bentham based the species on a specimen collected "between Swan River and King George's Sound" by James Drummond. Thespecific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
(''drummondii'') honours Drummond.
Distribution and habitat
Drummond's mallee grows in hilly country in soils derived fromlaterite
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...
, sometimes over granite and is found between Eneabba, Wongan Hills
Wongan Hills is a range of low flat-topped hills in the Avon Wheatbelt bioregion of Western Australia. It is located at , in the Shire of Wongan–Ballidu.
History
The range was first recorded in 1836 by Surveyor General of Western Australia Jo ...
, Bridgetown and Woodanilling in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain
The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of the Swan River and its tributaries, as a geol ...
and Warren
A warren is a network of wild rodent or lagomorph, typically rabbit burrows. Domestic warrens are artificial, enclosed establishment of animal husbandry dedicated to the raising of rabbits for meat and fur. The term evolved from the medieval Angl ...
biogeographic regions
A biogeographic realm or ecozone is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions.
De ...
.
Conservation status
''Eucalyptus drummondii'' is classified as "not threatened" by the Western Australian GovernmentDepartment of Parks and Wildlife
The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...
See also
* List of ''Eucalyptus'' speciesReferences
{{DEFAULTSORT:Eucalyptus drummondii drummondii Myrtales of Australia Eucalypts of Western Australia Trees of Australia Mallees (habit) Plants described in 1867 Taxa named by George Bentham