Eucalyptus barberi

Eucalyptus barberi, commonly known as Barber's gum,[2] is a tree or mallee that is endemic to Tasmania. It has mostly smooth, greyish bark, elliptic to lance-shaped or curved adult leaves, diamond-shaped or club-shaped buds in groups of seven in leaf axils, white flowers and cup-shaped, cylindrical or conical fruit.

foliage and flowers
fruit

Barber's gum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. barberi
Binomial name
Eucalyptus barberi

Description

Eucalyptus barberi is a mallee growing to a height of 1–5 metres (3–16 ft) or tree that typically grows to a height of 8 metres (26 ft), and forms a lignotuber. It has smooth bark, sometimes with loose slabs of rough bark near the base. The smooth bark is greyish, brownish or yellowish, often with ribbons of shed bark in the upper branches. The leaves of young plants and on coppice regrowth are arranged in opposite pairs, lance-shaped to elliptic or oblong, 30–80 mm (1–3 in) long, 10–30 mm (0.4–1 in) wide and have a petiole. Adult leaves are the same glossy green on both sides, elliptic to lance-shaped or curved, 50–140 mm (2–6 in) long, 10–35 mm (0.4–1 in) wide tapering to a petiole 10–35 mm (0.4–1 in) long. The flower buds are arranged in group of seven in leaf axils, on a peduncle 5–18 mm (0.2–0.7 in) long, the individual buds on a pedicel 2–4 mm (0.08–0.2 in) long. Mature buds are oval to diamond-shaped or club-shaped, 7–11 mm (0.3–0.4 in) long, 4–6 mm (0.16–0.24 in) wide with a conical or rounded operculum that is 3–5 mm (0.12–0.20 in) long and often beaked. Flowering occurs between August and December and the flowers are white. The fruit is a woody, cup-shaped, cylindrical or conical capsule 5–10 mm (0.20–0.39 in) long, 6–9 mm (0.24–0.35 in) wide on a pedicel 1–5 mm (0.039–0.20 in) long.[2][3][4]

Taxonomy and naming

Eucalyptus barberi was first formally described in 1972 by Lawrie Johnson and Donald Blaxell from a specimen collected near Cranbrook.[5] The specific epithet (barberi) honours Horace Barber.[2][6]

Distribution and habitat

Barber's gum grows in dry forest on the edges of dolerite outcrops and on low hills and sloping ground in eastern Tasmania. It is conserved in the Douglas Apsley National Park.[3][4]

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See also

References
  1. "Eucalyptus barberi". Australian Plant Census. Retrieved 12 March 2019.
  2. "Eucalyptus barberi Barber's gum". Euclid: Centre for Australian National Biodiversity Research. Retrieved 12 March 2019.
  3. "Eucalyptus barberi" (PDF). Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 12 March 2019.
  4. Chippendale, George M. "Eucalyptus barberi". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 12 March 2019.
  5. "Eucalyptus barberi". APNI. Retrieved 12 March 2019.
  6. G.J. McCarthy; R.H. Walker (5 December 2013). "Barber, Horace Newton (1914-1971)". Encyclopaedia of Australian Science.
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