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Betulaceae, the birch family, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams, hazel-hornbeam, and hop-hornbeams, numbering a total of 167 species. [2]
العربية; Aragonés; Asturianu; Azərbaycanca; Башҡортса; Беларуская; Български; Bosanski; Català; Чӑвашла; Cebuano; Čeština
Female alder catkins after shedding their seeds Alnus serrulata male catkins. 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.
A birch is a thin-leaved deciduous hardwood tree of the genus Betula (/ ˈ b ɛ tj ʊ l ə /), [2] in the family Betulaceae, which also includes alders, hazels, and hornbeams.It is closely related to the beech-oak family Fagaceae.
Bahasa Indonesia; Ирон; Íslenska ... European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia ...
There is an absence of terminal buds, and lateral buds often have a hook at the tip of the bud, which differs from other species in the family Betulaceae. [4] The leaves are alternate, ovate, 4–8 centimeters ( 1 + 1 ⁄ 2 – 3 + 1 ⁄ 4 in) long and 3–6 centimeters ( 1 + 1 ⁄ 4 – 2 + 1 ⁄ 4 in) broad, with a serrated margin and five to ...
Betula pendula, commonly known as silver birch, warty birch, European white birch, [2] or East Asian white birch, [3] is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. Its range extends into Siberia, China, and southwest Asia in the mountains of ...
Corylus avellana, the common hazel, is a species of flowering plant in the birch family Betulaceae.The shrubs usually grow 3–8 metres (10–26 feet) tall. The nut is round, in contrast to the longer filbert nut.