Thanks for the insight! Wildflower Wednesday: Perennial Salt Marsh Aster, When Plants Bite Back – Spoon-leaved Sundew, Wildflower Wednesday: Sickle-leaved Silk Grass. Speckled alder grows throughout Wisconsin in wet soils and full sun to very light shade. Tolerant of water and drought, alders mature at about 18 metres. TreeTime.ca is pleased to offer free This tree may be difficult to find in local nurseries.

The largest individual I think I recently cut down a thicket of this on my property mistakenly thinking it was buckthorn. The male catkins are a different color (purplish brown in the Speckled Alder and reddish green in the Smooth Alder). summer and often remains on the plant through the next winter (providing

, with updates made according to current research. Catkins.

This is the only native alder that is found in southern Illinois, making it relatively easy to identify. You can find some very cool plants growing in Alder thickets, but there is no worse habitat to trudge around in—only a buckthorn-infested woods might be worse! River Alder is a large shrub or small tree with a multi-stemmed, spreading habit. female flowers, lacking outer scales ("naked" female ament Wisconsin in late March or early April, preceded only by skunk cabbage Thanks for your understanding. (Symplocarpus foetidus) and the earliest silver maples (Acer The "speckled bark". When you google Speckled Alder you will see articles that say they grow up to 25 feet tall, and you will see others that say 12 feet. soils and develops the multiple-stemmed growth form as shown above. Photos courtesy Peter M. Dziuk taken in Anoka and Hubbard counties and in Wisconsin. Use enter to activate. Speckled Alder is a common, large, multi-stemmed wetland shrub, often forming dense thickets from root suckering as well as a process called “layering”, where low branches take root then detach from the mother plant and grow independently. rugosa (Du Roi) R.T. Clausen Show All Show Tabs speckled alder River Alder Green Alder Alnus incana Alnus crispa ONLY AVAILABLE BY CONTRACT GROW SOLD OUT River Alder is a large shrub or small tree with a multi-stemmed, spreading habit.

Use up and down arrow keys to explore within a submenu. blunt leaf buds are stalked and have only 2 outer bud scales. The Morton Arboretum is a 501(c)(3) nonprofit that relies on the generosity of members and donors. This tree may be difficult to find in local nurseries. The trees do best in open sunlight and partial shaded areas may cause shorter mature height. Perhaps they were variations on the same species, or both species presenting in different ways due to some microclimate differences.

Alnus … The foliage remains green until it drops from the tree in fall. Early spring flowers are interesting, but not really showy. Several species of Lepidoptera use grey alder as a food plant for their caterpillars. Green or mountain alder wood is used to smoke fish and provide fuel. Minnesota Environment and Natural Resources Trust Fund, sun; wet; bogs, swamps, shores, stream banks, swales, borders of wet meadows. Our future. As a smaller tree, it is a good choice to plant in areas with less room to grow. I really need to start remembering to bring colored pencils or watercolors out with me. The upper leaf surface is dull green and the lower surface is grayish.

See Terms of Use and Privacy Policy. in the Midwest and that name is likely to be found rugosa with thicker leaves and sharply pointed teeth, present in eastern North America including Minnesota. Alnus incana subspecies rugosa, synonymous with and formerly known as Alnus rugosa, is a fast-growing, thicket forming, deciduous, spreading small tree or shrub that is native to wet sandy or gravelly soils, often along the peripheries of lakes, ponds, streams, rivers and swamps, from Hudson Bay to Newfoundland south to Minnesota, Michigan and Virginia. Required fields are marked *. It can fix Nitrogen. I have transplanted to use for screening for wildlife. Green Alder Betulaceae (Birch Family) Description. It is also found in or adjacent to sedge meadows, shrub carr and swamps, along streams and in roadside ditches. Additional Information About Alder Trees. This member of the birch family exibits 3" long green leaves and reddish-brown bark. It commonly grows in wet use escape to move to top level menu parent. Edges are coarsely double-toothed and usually have a few to several shallow lobes. but is most often considered a large shrub. Stop by, email, or call. I have a lot of Speckled Adler on my land near Milaca MN. Bark is smooth, dotted with warty lenticels. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. As for the size of the seeds/cones, you may be right.

Leaves are simple and alternate, with doubly-toothed margins and often microphylla). In the boreal forest area of Canada, A. incana is often associated with black spruce in the forest type termed black spruce–speckled alder. I am a fan of it where it has filled in the understory of my pine and spruce plantings. A cluster of "cones". Green Alder is a cold hardy, native shrub. River Alder vs Green Alder. The Speckled Alder is a low and clump-forming shrub which is sometimes called a tree. See List of Lepidoptera that feed on alders. Our trees. Buds are erect, elliptic, have 2 or 3 scales and a short but obvious stout stalk.

Alnus viridis crispa is a deciduous Shrub growing to 3 m (9ft) by 3 m (9ft).

), please check the links and invasive species pages for additional resources.

Male and female flowers are borne separately on the same plant (monoecious), in clusters called catkins, blooming in very early spring before leaves emerge. 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. Early spring flowers are interesting, but not really showy. And it transplants very easily. [8], A. rugosa provides cover for wildlife, is browsed by deer and moose, and the seeds are eaten by birds. Older bark is grayish to reddish brown with pale horizontal lenticels (pores). It sometimes aggressively colonizes cut-over northern conifer swamps, As for resources, I used a combination of things: Peterson Field Guide to Trees and Shrubs, USDA Fact Sheets, and (the always questionable) Wikipedia. The different types of alder trees include tall trees with single trunks and much shorter, multi-stemmed specimens that can be grown as shrubs. [7] The larvae of the alder woolly sawfly sometimes cause considerable defoliation to the grey alder.

Almost all of them are deciduous. The upper surface is dark green, hairless to sparsely hairy, the lower surface dull green and hairy, especially along the veins. The stalked cones of the Green Alder stand it apart from these species; the leaf margins with fine, regularly spaced teeth contrast with the coarsely, double-toothed leaf margins of the Speckled Alder and the leaves are less taper-pointed than those of the Paper Birch. Stems are usually numerous from the base, the larger trunks up to 6 inches diameter, occasionally taking the form of a small tree. 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. Wisconsin plants of this species belong to the However, it does not require moist soil, and will also colonize screes and shallow stony slopes.

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General - A tall and spreading shrub, 3 - 8 m tall; bark thin, dull, reddish to greyish brown, smooth or slightly grooved; twigs slender, yellowish green to reddish brown, coated with very short grey hairs; buds slender, stalked, covered with grey hairs.
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See the glossary for icon descriptions. My seven year old trees are 20-25 feet tall. as appears to be the case in many dense alder stands along small streams

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The following menu has 3 levels. Where in Minnesota? [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. [9], Pedunculagin is an ellagitannin found in the Manchurian alder (A. hirsuta var. Thanks! Use up and down arrow keys to explore within a submenu. Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. It is the namesake of a type of wetland known as are found in the Betulaceae (birch family). Common Name: speckled alder Scientific Name: Family: Betulaceae Genus: Alnus Species: incana Hardiness Zone: 2 to 6 Height: 15 to 25 ft Width: 15 to 25 ft Description: This tree can be found along many lakes in Northern Minnesota but is seen in the urban setting as well.
Within a submenu, use escape to move to top level menu parent. The bark Web design and content copyright © 2006-2020 MinnesotaWildflowers.info. and the pith of twigs is angled or star-shaped.


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