Silver aspen | |
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Acronychia wilcoxiana in the Royal Botanic Garden, Sydney | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Sapindales |
Family: | Rutaceae |
Genus: | Acronychia |
Species: | A. wilcoxiana |
Binomial name | |
Acronychia wilcoxiana | |
Synonyms [1] | |
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Acronychia wilcoxiana, commonly known as silver aspen, [2] doughwood, snowwood or mushyberry, [3] is a species of small rainforest tree that is endemic to eastern Australia. It has simple, elliptical to egg-shaped leaves with the narrower end towards the base, relatively large groups of whitish flowers in leaf axils and broadly oval to more or less spherical, white fruit.
Acronychia wilcoxiana is a tree that typically grows to a height of 9–15 m (30–49 ft) with pinkish brown or dark brown bark and a crown of dark green leaves. The leaves are arranged in opposite pairs, and are elliptical to egg-shaped with the narrower end towards the base, 70–210 mm (2.8–8.3 in) long and 25–90 mm (0.98–3.54 in) wide on a petiole 6–30 mm (0.24–1.18 in) long. The flowers are arranged in relatively large groups 30–65 mm (1.2–2.6 in) long in leaf axils, each flower on a pedicel 0.5–3 mm (0.020–0.118 in) long. The four sepals are 1.5–3 mm (0.059–0.118 in) wide, the four petals whitish and 7.5–9 mm (0.30–0.35 in) long and the eight stamens alternate in length. Flowering occurs from January to May and the fruit is a fleshy, conical to spherical drupe 12–15 mm (0.47–0.59 in) long. The seeds are black, oval and about 4.5 mm (0.18 in) long. [2] [4] [5]
The silver aspen was first formally described in 1875 by Ferdinand von Mueller who gave it the name Pleiococca wilcoxiana and published the description in Fragmenta phytographiae Australiae . [6] [7] In 1974 Thomas Hartley changed the name to Acronychia wilcoxiana in the Journal of the Arnold Arboretum . [5] [8] The species name honours James Fowler Wilcox, a 19th-century collector of birds and plants in northern New South Wales. [9]
Acronychia wilcoxiana grows in rainforest, mostly between Fraser Island in south-east Queensland and Gosford in central-eastern New South Wales and from sea level to an altitude of 450 m (1,480 ft) but a small population of about eight mature trees has been recorded at Primbee in the Illawarra district. [2] [4] [10]
The fruit of A. wilcoxiana are eaten by rainforest birds, including the wompoo fruit-dove. [2]
Silver aspen is listed as of "least concern" under the Queensland Government Nature Conservation Act 1992 . [3]
Germination from seed is not easy, however, the removal of the fleshy aril from the seed will improve results. Seeds may germinate after 6 to 12 months. [2]
Acronychia acidula, commonly known as lemon aspen or lemon wood, is a species of small to medium-sized rainforest tree that is endemic to Queensland. It has simple, elliptical leaves, small groups of flowers in leaf axils and more or less spherical fruit. The aromatic and acidic fruit is harvested as a bushfood.
Flindersia schottiana, commonly known as bumpy ash, cudgerie or silver ash, is a species of rainforest tree in the family Rutaceae and is native to New Guinea and eastern Australia. It has pinnate leaves with mostly ten to sixteen leaflets, panicles of white flowers and woody fruit studded with rough points.
Acronychia oblongifolia, commonly known as white aspen or yellow wood, is a species of shrub to medium-sized rainforest tree of the citrus family, Rutaceae and is endemic to eastern Australia. It has mostly simple, egg-shaped leaves with the narrower end towards the base, small groups of creamy-white flowers and fleshy, more or less spherical, edible fruit.
Melicope elleryana, commonly known as pink flowered doughwood, pink evodia, corkwood, or saruwa, is a species of rainforest shrub or tree in the family Rutaceae, and is native to New Guinea, parts of eastern Indonesia, the Solomon Islands and northern Australia. It has trifoliate leaves and pink to white, bisexual flowers arranged in panicles in leaf axils.
Acronychia baeuerlenii, commonly known as Byron Bay acronychia, is a species of rainforest shrub or small tree endemic to eastern Australia. It has simple, glabrous leaves, small groups of flowers and fleshy oval fruit.
Acronychia laevis, commonly known as hard aspen, glossy acronychia or northern white lilly pilly, is a species of shrub or small tree in the citrus family, and is endemic to eastern Australia. It has simple, elliptical to egg-shaped leaves, groups of creamy white flowers and fleshy, mitre-shaped to spherical fruit.
Acronychia octandra, commonly known as doughwood, silver birch or soapwood, is a species of rainforest tree that is endemic to eastern coastal areas of Australia. It has mostly trifoliate leaves with elliptic to egg-shaped leaflets, greenish-white flowers arranged in groups in leaf axils and fleshy fruit of four carpels fused at the base.
Acronychia pubescens, commonly known as hairy acronychia or hairy aspen, is a species of tall shrub or small tree that is endemic to eastern Australia. It usually has trifoliate leaves, rarely simple leaves, groups of whitish flowers in leaf axils and creamy to yellowish, elliptical to spherical fruit.
Bosistoa medicinalis, commonly known as the northern towra or Eumundi bosistoa, is a species of small to medium-sized rainforest tree that is endemic to Queensland. It has simple and pinnate leaves with two or three leaflets and panicles of small white flowers.
Acronychia aberrans, commonly known as acid berry, lemon aspen, plasticine tree or plasticene aspen, is a species of medium-sized rainforest tree that is endemic to north-eastern Queensland. It has simple leaves on stems that are more or less square in cross-section, flowers in small groups in leaf axils and fleshy, more or less spherical fruit.
Acronychia acronychioides, commonly known as white aspen, is a species of small to medium-sized rainforest tree that is endemic to north-eastern Queensland. It has trifoliate leaves with elliptic to egg-shaped leaves on stems that are more or less cylindrical, creamy yellow flowers in large groups in leaf axils and fleshy, pear-shaped or spherical fruit.
Acronychia acuminata, commonly known as Thornton aspen, is a species of shrub or small rainforest tree that is endemic to north-eastern Queensland. It has simple leaves on stems that are more or cylindrical, flowers in small groups in leaf axils and fleshy, oval to spherical fruit.
Acronychia chooreechillum, commonly known as mountain aspen, is a species of shrub or small rainforest tree that is endemic to north-eastern Queensland. It has mostly trifoliate leaves with elliptic to egg-shaped leaflets on stems that are more or less cylindrical, flowers in small groups in leaf axils and fleshy, egg-shaped or elliptical fruit.
Acronychia eungellensis, commonly known as Eungella aspen, is a species of small rainforest tree that is endemic to a restricted area in east-central Queensland. It has simple, elliptic leaves on cylindrical stems, flowers in small groups in leaf axils, and fleshy fruit that is elliptic to egg-shaped in outline.
Acronychia imperforata, commonly known as Logan apple, Fraser Island apple, or green tree, is a species of rainforest shrub or small tree that is endemic to north-eastern Australia. It has simple, elliptical to egg-shaped leaves, small groups of yellowish or creamy white flowers and fleshy spherical to oval fruit.
Acronychia parviflora is a species of shrub or small rainforest tree that is endemic to north-eastern Queensland. It has simple, egg-shaped to elliptical leaves, flowers arranged singly or in small groups in leaf axils and fleshy, more or less spherical fruit.
Acronychia vestita, commonly known as white aspen, lemon aspen, hairy aspen or fuzzy lemon aspen, is a species of rainforest tree that is endemic to Queensland. It has simple, elliptic to egg-shaped leaves with the narrower end towards the base, flowers arranged in relatively large groups, mostly in leaf axils and fleshy, pear-shaped to more or less spherical fruit.
Coatesia is a genus of plant containing the single species Coatesia paniculata, commonly known as axe-breaker or capivi, and is endemic to eastern Australia. It is a small, evergreen tree with simple, elliptical to egg-shaped leaves, panicles of white flowers on the ends of branchlets or in leaf axils and fused follicles with one black seed in each follicle.
Dinosperma is a genus of plant containing the single species Dinosperma erythrococcum, commonly known as tingletongue, clubwood or nutmeg, and is endemic to north-eastern Australia. It is a tree usually with trifoliate leaves arranged in opposite pairs, the leaflets lance-shaped to oblong, and panicles of small white flowers, later bright orange to red, slightly fleshy follicles containing shiny, bluish black seeds.
Medicosma fareana, commonly known as white aspen, is a species of rainforest small tree in the family Rutaceae and is endemic to north Queensland. It has elliptical leaves and white or cream-coloured flowers borne singly or in small groups in leaf axils.
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