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Genus: Alnus (alders)

Life > eukaryotes > Archaeoplastida > Chloroplastida > Charophyta > Streptophytina > Plantae (land plants) > Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants) > Spermatophyta (seed plants) > Angiospermae (flowering plants) > Eudicotyledons > Core Eudicots > Rosids > Eurosid I > Order: Fagales > Family: Betulaceae

About 35 species (north temperate regions, SE Asia, Andes); no species native to southern Africa but seven species are cultivated in the region.

Species cultivated in southern Africa

List from Glen (2002).

Alnus cordata (Italian alder)

Native to Italy and Corsica.


Alnus firma

Native to Japan.


Alnus formosana

Native to Japan and Taiwan.


Alnus glutinosa (Black alder)

Native to Europe, western Asia and North Africa.


Alnus incana (European white alder)

Native to Europe and western Siberia.


Alnus nitida

Native to northwestern Himalayas.


Alnus rubra (American red alder)

[= Alnus oregona]

Native to western USA.




  • Glen, H.F. 2002. Cultivated Plants of Southern Africa. Jacana, Johannesburg.


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