Alnus incana, the grey alder, tag alder or speckled alder, is a species of multi-stemmed, shrubby tree in the birch family, with a wide range across the cooler parts of the Northern Hemisphere. Tolerant of wetter soils, it can slowly spread with runners and is a …

The Gray alder is very common between the Alps and the Urals. It is often planted as a pioneer plant in landfills, waste dumps and to fixing escarpment. The alder can fix nitrogen from the air and release into the ground again, which leads to the improvement of the soil.

Gray alder helps protect and stabilize streambanks and other riparian areas [215,256,261] and is used for erosion control . Banks stabilized with gray alders can withstand "relatively severe" spring run-off . Gray alder's shade provides mesic habitats for groundlayer herbs .

Alnus incana, commonly called European gray alder, is a large pyramidal tree that grows to 40-60' tall. It is native to Europe and the Caucasus. Genus name is the Latin name for alder. Specific epithet means gray or hoary in reference to leaf color.

2022年11月16日 · Characteristics of the grey or speckled alder are dull, rounded green leaves, pendulous spring flowers, and small stiff cylindrical cones. This deciduous alder tree thrives in USDA zones 3 – 6. As a multi-stemmed, shrubby plant, the speckled alder grows around 8 …

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.

Grey alder (Alnus incana) is a tree that can grow higher than 15m tall and wider than 8 metres wide. In this growing guide we’ll learn the cultivation details and how to plant Grey alder (Alnus incana).

Short description of Alnus incana, Grey Alder. Alnus incana is a fast-growing deciduous tree, tolerant of relatively infertile soils, from moderately dry to wet. A nitrogen-fixing plant, owing to a symbiosis with N-fixing bacteria (Frankia alni) at the site of root nodules (Bjelke et al, 2016), A. incana is very similar in appearance to the ...

2023年6月4日 · A cut-leaf form of Grey Alder with leaves divided to the midrib or nearly so; the ‘most elegant laciniate form’ for Jablonski (2018). The very narrow lobes are often toothed at the base, with the apex narrowing very gradually into a thread-like point, and the leaf has a distinctly grey coloration.

Alnus incana (Grey or Speckled Alder) is a species in the Betulaceae (Birch) family with a wide range across the cooler parts of the Northern Hemisphere. In California it is found primarily in the Sierras.