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Alnus serrulata is a large shrub or small tree that may grow up to 2.5–4 m (8.2–13.1 ft) high and 15 cm (5.9 in) in diameter. The scientific name originates from alnus which is an old name for alder; serrulata points to the finely-toothed leaf margins which it possesses. It takes about 10 yrs to mature.
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.
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The Betulaceae are believed to have originated at the end of the Cretaceous period (about 70 million years ago) in central China.This region at the time would have had a Mediterranean climate due to the proximity of the Tethys Sea, which covered parts of present-day Tibet and Xinjiang into the early Tertiary period.
Alnus glutinosa, the common alder, black alder, European alder, European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa.
Sociomusicology (from Latin: socius, "companion"; from Old French musique; and the suffix -ology, "the study of", from Old Greek λόγος, lógos : "discourse"), also called music sociology or the sociology of music, refers to both an academic subfield of sociology that is concerned with music (often in combination with other arts), as well as a subfield of musicology that focuses on social ...
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 common sight in swamps and wetlands.
Alnus macrocarpa Req. ex Nyman Alnus nervosus Dippel Alnus cordata , the Italian alder , [ 1 ] [ 2 ] is a tree or shrub species belonging to the family Betulaceae , and native to the southern Apennine Mountains ( Campania , Basilicata and Calabria , mainly on western mountain sides) and the north-eastern mountains of Corsica . [ 3 ]