Leptospermum Variabile
   HOME

TheInfoList



OR:

''Leptospermum variabile'' is a species of shrub that is
endemic Endemism is the state of a species being found 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 found elsew ...
to eastern Australia. It has thin, rough or scaly bark, broadly elliptical to lance-shaped leaves with the narrower end towards the base, white flowers arranged singly on the ends of short side branches, and woody fruit that remains on the plant when mature.


Description

''Leptospermum variabile'' is a shrub that typically grows to a height of but is sometimes a tree to more than and has reddish new growth. It has thin, rough or scaly bark and the younger stems are covered with soft hairs at first. The leaves are
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 ...
, elliptical to lance-shaped with the narrower end towards the base, distinctly folded, long and wide with the base tapered. The flowers are white, borne singly on the ends of short side shoots and are about wide. The
floral cup In angiosperms, a hypanthium or floral cup is a structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is also used for corolla tube and calyx tube. It ...
is glandular, about long, tapering to a short
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 ...
. The
sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
s are broadly egg-shaped, about long, the
petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
s long and the stamens about long. Flowering mainly occurs from September to October and the fruit is a capsule, varying in size from about to in diameter, that remains on the plant when mature.


Taxonomy and naming

''Leptospermum variabile'' was formally described in 1989 by
Joy Thompson Joy Thompson (born Joy Gardiner-Garden, 1923, died 2018) was an Australian botanist. Her main research areas were taxonomy and Myrtaceae. Life & Career Thompson's university studies occurred during the second world war and in university vacatio ...
in the journal '' Telopea'' from specimens collected by P.R. Sharp near
Rathdowney Rathdowney or Rathdowny () is a town in southwest County Laois, Ireland. It lies some 32 km southwest of Portlaoise in the Irish Midlands, at the point where the R433 regional road from Abbeyleix to Templemore is crossed by the R435 fro ...
in 1978. The
specific 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 ...
(''variabile'') refers to the variability of this species, especially of the width of the leaves and the size of the fruit.


Distribution and habitat

''Leptospermum variabile'' grows in crevices between rocks on rocky summits or ridges on the tablelands and coastal ranges from south east Queensland to near
Taree Taree is a town on the Mid North Coast, New South Wales, Australia. Taree and nearby Cundletown were settled in 1831 by William Wynter. Since then Taree has grown to a population of 26,381, and is the centre of a significant agricultural distri ...
in New South Wales.


References

{{Taxonbar, from=Q15369618 variabile Myrtales of Australia Flora of New South Wales Flora of Queensland Plants described in 1989 Taxa named by Joy Thompson