Barren Mountain mallee | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Myrtales |
Family: | Myrtaceae |
Genus: | Eucalyptus |
Species: | E. approximans |
Binomial name | |
Eucalyptus approximans | |
Eucalyptus approximans, commonly known as the Barren Mountain mallee, is a mallee endemic to a small area of New South Wales. It has smooth bark, linear to lance-shaped or curved adult leaves, club-shaped buds in groups of seven in the leaf axils, white flowers and cylindrical to cup-shaped fruit.
Eucalyptus approximans is a slender mallee that sometimes grows to a height of 6 m (20 ft) and has smooth white or grey bark. Young plants and coppice regrowth have shiny green, linear to narrow lance-shaped leaves 65–140 mm (3–6 in) long and 10–20 mm (0.4–0.8 in) wide. They are a different shade of green on either side. Adult leaves are linear to lance-shaped or curved, 55–120 mm (2–5 in) long and 5–16 mm (0.2–0.6 in) wide on a petiole 4–12 mm (0.2–0.5 in) long. They are the same glossy green on both sides. The flower buds are usually arranged in groups of seven, the groups on a peduncle 4–12 mm (0.2–0.5 in) long and the individual flowers a pedicel 1–3 mm (0.04–0.1 in) long. The mature buds are club-shaped, 3–6 mm (0.1–0.2 in) long and 3–4 mm (0.1–0.2 in) wide with a rounded to flattened operculum. Flowering occurs between March and June and the flowers are white. The fruit is a cylindrical to cup-shaped capsule 5–8 mm (0.2–0.3 in) long and 6–9 mm (0.2–0.4 in) wide on a pedicel up to 4 mm (0.2 in) long. [3] [4] [5] [6]
Eucalyptus approximans was first formally described in 1919 by Joseph Maiden from a specimen collected on Barren Mountain by Henry Deane. The description was published in Journal and Proceedings of the Royal Society of New South Wales . [2] [7] Maiden did not give a reason for using the specific epithet (approximans) but noted that the species is "close" to Eucalyptus stricta . [5] [7]
In 1973, Lawrie Johnson and Donald Blaxell reduced E. codonocarpa , which occurs in Queensland and New South Wales, to a subspecies as Eucalyptus approximans subsp. codonocarpa but the change has not been accepted by the Australian Plant Census. [8]
Barren Mountain mallee is only known from Barren Mountain near Ebor where it grows in mallee shrubland in thin, nutrient-poor soils. [3] [4]
This eucalypt is listed as "vulnerable" under the New South Wales Government Biodiversity Conservation Act 2016 . The main threats to the species are inappropriate fire regimes and clearing for agriculture. [4]
Eucalyptus dalrympleana, commonly known as mountain gum, mountain white gum, white gum and broad-leaved ribbon gum, is a species of tree that is endemic to southeastern Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of three or seven, white flowers and cup-shaped, bell-shaped or hemispherical fruit.
Eucalyptus eremophila, commonly known as the sand mallet or tall sand mallee, is a species of mallet that is endemic to semi-arid regions of Western Australia. It has smooth pale brown and greyish bark, narrow lance-shaped to elliptical adult leaves, flower buds arranged in groups of between seven and eleven with an elongated operculum, and cup-shaped to barrel-shaped fruit.
Eucalyptus ebbanoensis, commonly known as the sandplain mallee, is a species of mallee that is endemic to Western Australia. It has smooth greyish bark, lance-shaped to curved adult leaves, flower buds in groups of three, whitish flowers and cup-shaped to hemispherical fruit.
Eucalyptus kochii, commonly known as oil mallee, is a species of mallee, sometimes a tree, and is endemic to Western Australia. It has rough, flaky or fibrous bark on the trunk, smooth grey bark above, linear to narrow lance-shaped adult leaves, flower buds in groups of nine to fifteen, white flowers and urn-shaped fruit.
Eucalyptus flocktoniae, commonly known as merrit, is a species of tree or mallee that is endemic to Western Australia. It has smooth, silvery grey bark, lance-shaped to curved adult leaves, prominently beaked flower buds in groups of seven or nine and barrel-shaped or urn-shaped fruit.
Eucalyptus cunninghamii, commonly known as cliff mallee ash, is a species of mallee that is endemic to the Blue Mountains in New South Wales. It has smooth grey bark, often with insect "scribbles", linear to narrow lance-shaped adult leaves, flowers buds in groups of seven or nine, white flowers and urn-shaped, barrel-shaped or more or less spherical fruit. It grows on cliff edges and upper edges of valleys.
Eucalyptus moorei, commonly known as narrow-leaved sally, is a species of mallee that is endemic to New South Wales. It has smooth bark, linear to narrow lance-shaped or curved adult leaves, flower buds in groups of between seven and fifteen, white flowers and cup-shaped or shortened spherical fruit.
Eucalyptus mannifera, commonly known as the brittle gum or red spotted gum, is a species of small to medium-sized tree that is endemic to south-eastern Australia. It has smooth, powdery white bark, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped, hemispherical or conical fruit.
Eucalyptus aquatica, commonly known as broad-leaved sally, or mountain swamp gum is a tree or mallee that is endemic to a small area of New South Wales in eastern Australia. It has smooth, greyish bark, dull bluish green adult leaves, flower buds arranged in groups of seven, white flowers and conical or hemispherical fruit. It grows in swamps and other places with poor drainage.
Eucalyptus balladoniensis, commonly known as the Balladonia mallee, is a mallee that is endemic to an area in the south of Western Australia. It has rough bark on the lower half of its stems, smooth brownish bark above, lance-shaped leaves, flower buds in groups of seven, pale yellow flowers and hemispherical to more or less spherical fruit.
Eucalyptus jutsonii, commonly known as Jutson's mallee, is a species of mallee that is endemic to Western Australia. It has rough, fibrous bark on its stems, smooth pinkish to greyish brown bark above, glossy green, linear adult leaves, flower buds in groups of seven, cream-coloured flowers and shortened spherical fruit.
Eucalyptus kessellii, commonly known as Jerdacuttup mallee, is a species of mallee that is endemic to an area along the south coast of Western Australia. It has very hard, rough bark on the trunk of larger specimens, smooth greyish and brownish bark above, lance-shaped to egg-shaped adult leaves, flower buds in groups of three or seven, creamy white flowers and downturned, conical to cup-shaped fruit.
Eucalyptus phaenophylla, also known as common southern mallee, is a species of mallee that is endemic to Western Australia. It has smooth bark, linear to narrow lance-shaped or narrow elliptical adult leaves, flower buds in groups of up to thirteen, pale lemon-coloured flowers and barrel-shaped, cylindrical or conical fruit.
Eucalyptus rigidula, commonly known as stiff-leaved mallee, is a species of mallee that is endemic to Western Australia. It has smooth bark, linear to narrow elliptic or narrow lance-shaped leaves, flower buds in groups of nine or eleven, creamy white flowers and barrel-shaped to hemispherical fruit.
Eucalyptus sargentii, commonly known as Salt River gum, is a species of mallet, mallee or small tree that is endemic to Western Australia. It has rough bark on part or all of the trunk, smooth bark above, linear to narrow lance-shaped leaves, flower buds in groups of seven, whitish to creamy yellow flowers and conical fruit.
Eucalyptus scyphocalyx, commonly known as goblet mallee, is a species of mallee that is endemic to southern areas of Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of three or seven, creamy white flowers and cup-shaped to cylindrical fruit.
Eucalyptus bakeri, commonly known as Baker's mallee or the mallee box, is a eucalypt that is endemic to eastern Australia. It has fibrous bark on the trunk and smooth white or grey bark above, narrow lance-shaped leaves, flower buds in groups of between seven and thirteen, white flowers and hemispherical or shortened spherical fruit.
Eucalyptus cylindriflora, commonly known as the white mallee, is a species of mallee that is endemic to the southwest of Western Australia. It has smooth bark, glossy green, linear adult leaves, flower buds in groups of seven, creamy white flowers and cylindrical to cup-shaped fruit.
Eucalyptus codonocarpa, commonly known as the bell-fruited mallee ash or New England mallee ash, is a flowering plant that is endemic to eastern Australia. It is a slender mallee with smooth, grey, yellow or brownish bark, lance-shaped to curved adult leaves, flowers buds in groups of three or seven, white flowers and bell-shaped fruit. It grows on the Northern Tablelands in New South Wales and nearby areas in Queensland.
Eucalyptus pauciflora subsp. debeuzevillei, commonly known as Jounama snow gum, is a mallee or small tree that is native to a few mountain peaks in south-eastern Australia. It has smooth, shiny bark, glossy green lance-shaped to egg-shaped leaves, flower buds in groups of between nine and fifteen, white flowers and hemispherical or conical fruit. It differs from other subspecies of E. pauciflora in having angular flower buds.