''Eucalyptus cameronii'', commonly known as the diehard stringybark is a flowering plant that is endemic to eastern

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. It is a small to medium-sized tree with rough, stringy bark from the trunk to the small branches, lance-shaped to curved adult leaves, flowers buds in groups of between nine and fifteen, white flowers and cup-shaped, hemispherical or more or less spherical fruit. It mainly grows on the eastern side of the Northern Tablelands in New South Wales. Eucalyptus cameronii fruit

Description

''Eucalyptus cameronii'' is a tree that typically grows to a height of and forms a lignotuber. The bark is rough, stringy, grey to brownish and extends to the smaller branches. The leaves on young plants and on coppice regrowth are arranged in opposite pairs near the ends of the stems, elliptic to lance-shaped, long and wide and a different colour on either side. Adult leaves are arranged alternately, the same or slightly different shades of glossy green on either side, lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged in groups of between nine and fifteen 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 sessile or 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 ...

up to long. Mature buds are spindle-shaped to oval, long and wide with a rounded to conical operculum. Flowering has been observed in March and the flowers are white. The fruit is a woody, hemispherical or flattened spherical capsule long and wide, with the valves at the same level or slightly above the rim. This eucalypt is similar to ''

E. globoidea ''Eucalyptus globoidea'', commonly known as the white stringybark, is a tree that is endemic to near-coastal areas of south-eastern Australia. It has rough, stringy bark, often furrowed on the trunk, glossy, lance-shaped to egg-shaped, often curv ...

'' but has smaller buds and fruit, and the fruit has a narrower disc. It is also similar to '' E. caliginosa'' which has the valves of the fruit extended beyond the rim.

Taxonomy and naming

''Eucalyptus cameronii'' was first formally described in 1934 by the William Blakely and Ernest McKie in Blakely's book ''A Key to the Eucalypts''. 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. * Ty ...

specimen was collected in the Diehard State Forest near Glen Innes. 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 ...

(''cameronii'') honours Archibald Peter Cameron, one of the collectors of the

specimen.

Distribution and habitat

Diehard stringybark grows in forest on the ranges and escarpments on the eastern side of the Northern Tablelands from just north of the Queensland border as far south as the

Cottan-Bimbang National Park Cottan-Bimbang is a national park in New South Wales, Australia, 443 km north of Sydney and 65 km south east of Walcha and was formerly a state forest. The Oxley Highway crosses the park south of Werrikimbe National Park. Myrtle Scrub ...

. It mostly grows on poor, shallow soils.

References

{{DEFAULTSORT:Eucalyptus cameronii cameronii Myrtales of Australia Flora of New South Wales Flora of Queensland Trees of Australia Plants described in 1934