Alders are trees of the genus Alnus in the birch family Betulaceae. The genus includes about 35 species [2] of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species extending into Central America, as well as the northern and southern Andes. [1]

The small, rounded fruits are cone-like and the seeds are dispersed by wind and water. The common alder provides food and shelter for wildlife, with a number of insects, lichens and fungi being completely dependent on the tree. It is a pioneer species, colonising vacant land and forming mixed forests as other trees appear in its wake.

Here you'll find a selection of alder fruits. Small woody cones dark brown and up to 3 cm (1.2 in) long. Small woody cones, first green then dark brown. The cones are green and only become woody later, then the color is brown / black. The cones remain through the …

Dec 25, 2023 · Unlike most deciduous trees which produce flowers or fruit, Alder trees produce small, woody, cone-like structures. These cones measure up to 1 inch (2.5 cm) long and have a rounded, conical, or barrel-like shape.

Nov 16, 2022 · Speckled alder is identified by its clusters of hard, dark fruits. The alder cone-like structures start as green ovoid cylinders and become dark brown as they mature. The speckled alder cones grow besides dangling male flowers that have a yellowish color.

Jan 20, 2025 · Alder trees produce small, woody fruiting structures called cones, with their bark turning rough and tough with age. The most distinctive features of alder trees include their glossy and toothed margined leaves, dangling catkins in spring, and cone-like fruits seen in the fall.

Pollinated female flowers grow into ovoid fruits about 1.5 cm. in length, which are green in colour and grow in clusters of up to 4 at the end of twigs. These ripen and turn woody by October, and release small flat red-brown seeds, each weighing about 0.004 gm.

fruits, along with the attractive, dark brown, furrowed bark and multi-stemmed growth habit, make common alder an attractive landscape specimen throughout the winter. The fruits are food for a variety of wildlife. GENERAL INFORMATION Scientific name: Alnus glutinosa Pronunciation: AL-nus gloo-tih-N0-suh Common name(s): Common Alder, Black Alder,

Alder is the only British native deciduous tree to develop cones. Alder is native to almost the whole of continental Europe (except for both the extreme north and south) as well as the United Kingdom and Ireland.

Mar 30, 2024 · By recognizing the flowers and fruits of alder trees, you gain a deeper understanding of these fascinating trees and their role in the ecosystem. Alder trees ‘ striking features make them unique specimens in wooded areas, enhancing the diversity and beauty of the natural landscape.