Ironbark
Encyclopedia
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
Eucalyptus
Eucalyptus
Eucalyptus is a diverse genus of flowering trees in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia...
that have dark, deeply furrowed bark
Bark
Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...
.
Instead of being shed annually as in many of the other species of Eucalyptus, the dead bark accumulates on the trees, forming the fissures. It becomes rough after drying out and becomes impregnated with kino, a dark red tree sap exuded by the tree. The bark is resistant to fire and heat and protects the living tissue within the trunk and branches from fire. In cases of extreme fire, where leaves and shoots are removed, the protective bark aids in protecting epicormic bud
Bud
In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem. Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately. Buds may be specialized to develop flowers or short shoots, or may have...
s which allow the tree to reshoot.
Examples of Ironbark species
- Eucalyptus crebraEucalyptus crebraEucalyptus crebra, commonly known as the Narrow-leaved ironbark or Narrowleaf red ironbark, is a type of Ironbark tree native to eastern Australia. A member of the large genus Eucalyptus, this tree is in the Myrtaceae family and can grow to a large spreading tree up to 35 m high...
F.Muell.Ferdinand von MuellerBaron Sir Ferdinand Jacob Heinrich von Mueller, KCMG was a German-Australian physician, geographer, and most notably, a botanist.-Early life:...
, narrow-leaved ironbark or narrow-leaved red ironbark - Eucalyptus fibrosaEucalyptus fibrosaEucalyptus fibrosa, commonly known as the Red Ironbark or Broad-leaved Red Ironbark, is a type of Ironbark tree found in eastern Australia, mainly in Queensland and New South Wales. This plant is in family Myrtaceae....
F. Muell., broad-leaved red ironbark - Eucalyptus melanophloiaEucalyptus melanophloiaEucalyptus melanophloia, commonly known as Silver-leaved Ironbark, isa species of Eucalyptus which is native to New South Wales and Queensland in Australia. It is a tall tree, growing up to 20 metres in height....
F.Muell., silver-leaved ironbark - Eucalyptus paniculataEucalyptus paniculataEucalyptus paniculata is a common eucalyptus tree of eastern New South Wales, Australia. A dark trunked forest tree with grey furrowed bark. When in flower, the nectar is attractive to birds and insects, and is used in honey production.- Habitat :The natural range of distribution is high rainfall...
Sm., grey ironbark - Eucalyptus siderophloiaEucalyptus siderophloiaEucalyptus siderophloia, the Northern Grey Ironbark is a eucalyptus of south eastern Australia. A medium to large tree up to 45 metres tall, with dark furrowed rough bark....
Benth., Northern Grey Ironbark - Eucalyptus sideroxylonEucalyptus sideroxylonEucalyptus sideroxylon, or Mugga, Red Ironbark or Mugga Ironbark, is a small to medium-sized or occasionally tall tree. The bark is persistent on the trunk and large branches, hard and deeply furrowed, dark grey to black, with upper limbs smooth and whitish.Adult leaves are stalked, lanceolate to...
A.Cunningham ex Woolls, red ironbark or Mugga - Eucalyptus placitaEucalyptus placitaEucalyptus placita is a forest tree of eastern Australia. Commonly known as the Grey Ironbark. Previously considered the same species as Eucalyptus paniculata....
L.A.S.Johnson & K.D.Hill, Grey Ironbark - Eucalyptus staigerianaEucalyptus staigerianaEucalyptus staigeriana, Lemon Ironbark or Lemon-scented Ironbark, is a small rough barked sclerophyll tree that grows naturally in pure stands on hills in the Palmer River region of Cape York, North Queensland, Australia.-Uses:...
F. Muell. ex Bailey, lemon ironbark - Eucalyptus tricarpaEucalyptus tricarpaEucalyptus tricarpa, or Red Ironbark, is a species of Eucalyptus which is endemic to Victoria and the South Coast of New South Wales in Australia. It is a tall, straight trunked tree that usually grows to between 25 and 35 metres in height...
(L.A.S.Johnson) L.A.S.Johnson & K.D.Hill, red ironbark.