The grey alder has a shallow root system, and is marked not only by vigorous production of stump suckers, but also by root suckers, especially in the northern parts of its range. Alnus incana, the grey alder or speckled alder, is a species of tree in the birch family, with a wide range across the cooler parts of the Northern Hemisphere. [8], A. rugosa provides cover for wildlife, is browsed by deer and moose, and the seeds are eaten by birds. The Kola grey alder that dominates in Northern Finland is a subspecies of the grey alder (ssp. The Gray alder is very common between the Alps and the Urals. back to trees by common name | trees by botanical name | conifers by common name | conifers by botanical name | German: baumportal.de, © Jost Benning  | Imprint | jowaca digital solutions. kolaënsis). It is found on montane allluvial soils. Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015, Leicestershire Amphibian & Reptile Network, Market Bosworth & District Natural History Society, Natural History Section, Leicester Literary & Philosophical Society, Leicestershire & Rutland Swift Partnership. There are four to six subspecies, some treated as separate species by some authors: Alnus incana is a light-demanding, fast-growing tree that grows well on poorer soils. Grows in drier habitats than Common Alder and is often planted. The tree likes Sun to half-shade at the location and the soil should be sandy-loamy to loamy. The Tree is a deciduous tree, it will be 8 - 20 m (26 - 66 ft) high. The leaf margin is double serrated. Leaves oval-lanceolate, pointed, downy and grey beneath. It is a small- to medium-sized tree 15–20 m (49–66 ft) tall with smooth grey bark even in old age, its life span being a maximum of 60 to 100 years. It is sometimes used for afforestation on non-fertile soils which it enriches by means of nitrogen fixing bacteria in its root nodules. [13], sfn error: no target: CITEREFFlora_of_North_America2009 (, 10.2305/IUCN.UK.2014-3.RLTS.T63517A3125479.en, European Forest Genetic Resources Programme, https://en.wikipedia.org/w/index.php?title=Alnus_incana&oldid=982919874, Pages using Jepson eFlora template without author names, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 11 October 2020, at 05:12. It reproduces and disperses efficiently, but favours areas with rich soil. Grey alder is a fast-growing but short-lived tree. The leaves are matte green, ovoid, 5–11 cm (2–4 ⁄4 in) long and 4–8 cm (1 ⁄2–3 ⁄4 in) broad. The leaves of Gray alder are ovoid and up to 10 cm (3.9 in) long and up to 8 cm (3.2 in) broad. Recording the wildlife of Leicestershire and Rutland. It is often planted as a pioneer plant in landfills, waste dumps and to fixing escarpment. [10], The tree is cultivated in parks and gardens. The wood resembles that of the black alder (Alnus glutinosa), but is somewhat paler and of little economic value. Tree or shrub to 10 metres with smooth grey bark. Widespread in Britain, usually as planted stock. The cultivar 'Aurea', with green-gold leaves, has gained the Royal Horticultural Society's Award of Garden Merit.[11]. Fruiting catkins cone like. The alder can fix nitrogen from the air and release into the ground again, which leads to the improvement of the soil. It is a very variable species. Enter a town or village to see local records, Yellow squares = NBN records (all known data) Click here to support NatureSpot by making a donation - small or large - your gift is very much appreciated. The underside of the leaf is gray felted. The flowers are catkins, appearing early in spring before the leaves emerge, the male catkins pendulous and 5–10 cm (2–4 in) long, the female catkins 1.5 cm ( ⁄8 in) long and one cm broad when mature in late autumn. Thank you. The leaves are matte green, ovoid, 5–11 cm (2–4 1⁄4 in) long and 4–8 cm (1 1⁄2–3 1⁄4 in) broad. Small woody cones, first green then dark brown. It is a small- to medium-sized tree 15–20 m (49–66 ft) tall with smooth grey bark even in old age, its life span being a maximum of 60 to 100 years. See List of Lepidoptera that feed on alders. [9], Pedunculagin is an ellagitannin found in the Manchurian alder (A. hirsuta var. [12], The Ho-Chunk people eat the bark of the rugosa subspecies when their stomachs are "sour" or upset. Leaves oval-lanceolate, pointed, downy and grey beneath. The Grey Alder is botanically called Alnus incana. However, it does not require moist soil, and will also colonize screes and shallow stony slopes. The leaves are ovoid and the flowers are yellow. Lipnia Wielka, south of the Babia Gora Mountain (Polish Western Carpathians). microphylla). Seeds are dispersed by water. In the boreal forest area of Canada, A. incana is often associated with black spruce in the forest type termed black spruce–speckled alder. Grey Alder - Alnus incana. Several species of Lepidoptera use grey alder as a food plant for their caterpillars. Species; Additional images; Click here to support NatureSpot by making a donation - small or ... grey bark. The male flowers (catkins) are conspicuous, the female flowers are inconspicuous. In central Europe, it is a colonist of alluvial land alongside mountain brooks and streams, occurring at elevations up to 1,500 metres (4,900 ft). In the northern part of its range, it is a common tree species at sea level in forests, abandoned fields and on lakeshores. Identification difficulty. Wojciech Stachnowicz © Jost Benning 2004 - 2020 Imprint  privacy statement App-view, turn device for web-view. The branches are smooth, gray and slightly tomentose. The seeds are small, 1–2 mm (0.04–0.08 in) long, and light brown with a narrow encircling wing. Occasional in Leicestershire and Rutland usually as a result of planting. Habitat. Grows in drier habitats than Common Alder and is often planted. The Zuni people use the bark of the tenuifolia subspecies to dye deerskin reddish brown. Fruiting catkins cone like. Young shoots hairy. Young shoots hairy. It was not recorded in the 1979 Flora survey of Leicestershire. Grey alder flowers before coming into leaf in spring. [7] The larvae of the alder woolly sawfly sometimes cause considerable defoliation to the grey alder. Riverside alder: Structure of submontane riverside alder carr (Alnetum incanae carpaticum), a vegetation type dominated by grey alder. The flowers are catkins, appearing early in spring before the leaves emerge, the male catkins pendulous and 5–10 cm (2–4 in) long, the female catkins 1.5 cm (5⁄8 in) long and one cm broad when mature in late autumn. The seeds are small, 1–2 mm (0.04–0.08 in) long, and li…

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