''Eucalyptus jimberlanica'', commonly known as Norseman gimlet,
is a species of
mallet
A mallet is a tool used for imparting force on another object, often made of rubber or sometimes wood, that is smaller than a maul or beetle, and usually has a relatively large head.
General overview
The term is descriptive of the ...
or a tree and is
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to a small area in the
Goldfields-Esperance region of Western Australia. It has smooth, brownish bark, lance-shaped adult leaves, flower buds in groups of seven and conical to cup-shaped fruit.
Description
''Eucalyptus jimberlanica'' is a mallet or a tree that typically grows to a height of and does not form a
lignotuber
A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a respons ...
. It has smooth, glossy dark brown to copper-coloured bark on the trunk and branches. Adult leaves are arranged alternately, the same glossy green on both sides, narrow lance-shaped to lance-shaped, long and wide tapering to a
petiole
Petiole may refer to:
*Petiole (botany), the stalk of a leaf, attaching the blade to the stem
*Petiole (insect anatomy)
In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...
up to long. The flower buds are arranged in leaf axils in groups of seven on a thick, flattened, unbranched
peduncle long, the individual buds on
pedicels
In botany, a pedicel is a stem that attaches a single flower to the inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branch ...
long. Mature buds are oval to more or less spherical, long and wide with a hemispherical
operculum that is about the same length as the
floral cup. The fruit is a more or less
sessile
Sessility, or sessile, may refer to:
* Sessility (motility), organisms which are not able to move about
* Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant
* Sessility (medicine), tumors and polyps that ...
, woody, conical to cup-shaped
capsule long and wide with the valves below rim level.
This eucalypt is one of nine species of
gimlet in the genus ''
Eucalyptus
''Eucalyptus'' () is a genus of more than 700 species of flowering plants in the family Myrtaceae. Most species of ''Eucalyptus'' are trees, often Mallee (habit), mallees, and a few are shrubs. Along with several other genera in the tribe Eucalyp ...
''. It is regarded by some as a possible hybrid between ''
E. terebra'' and ''
E. ravida''.
Taxonomy and naming
''Eucalyptus jimberlanica'' was first formally described by
Lawrence Johnson and
Kenneth Hill in 1991 and the description was published in the journal ''
Telopea''. The
type
Type may refer to:
Science and technology Computing
* Typing, producing text via a keyboard, typewriter, etc.
* Data type, collection of values used for computations.
* File type
* TYPE (DOS command), a command to display contents of a file.
* ...
specimen was collected from Jimberlana Hill, north east of
Norseman
The Norsemen (or Northmen) were a cultural group in the Early Middle Ages, originating among speakers of Old Norse in Scandinavia. During the late eighth century, Scandinavians embarked on a large-scale expansion in all directions, giving ris ...
by Hill, Johnson and
Donald Frederick Blaxell
Donald Frederick Blaxell (born 1 February 1934, Sydney, New South Wales), is an Australian botanist, botanical collector and taxonomist.
Blaxell worked at the University of New South Wales for 11 years and joined the New south Wales Herbarium i ...
in 1983.
Distribution and habitat
The Norseman gimlet is found on valley edges in a small area in the
Goldfields-Esperance region of Western Australia near Norseman where it grows in loamy soils.
[
]
Conservation status
This eucalypt is classified as "Priority One
Prioritization is an action that arranges items or activities in order of importance.
Priority may refer specifically to:
Law
* Priority or right of way on the road, see Traffic § Priority (right of way)
** Priority signs, a traffic sign tha ...
" by the Government of Western Australia Department 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 en ...
,
See also
* List of ''Eucalyptus'' species
References
{{Taxonbar, from=Q15397994
jimberlanica
Endemic flora of Western Australia
Mallees (habit)
Myrtales of Australia
Eucalypts of Western Australia
Trees of Australia
Goldfields–Esperance
Plants described in 1991
Taxa named by Lawrence Alexander Sidney Johnson
Taxa named by Ken Hill (botanist)