Trees by Genus

Genus 'Alnus'

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Alnus cordata
Alnus glutinosa
Alnus glutinosa cv. 'Imperialis'
Alnus incana
Alnus rubra
Alnus viridis

Alnus cordata (Italian Alder)

Alnus cordata

Native: South Italy and Corsica

Location: Cultivated in parks and gardens.


The leaves have five to six pairs of veins, are shallowly toothed and dark glossy green with tufts of down in vein axils beneath.


Alnus cordata

Male catkins extend to about 7.5-10cm and shed their pollen between February and April when tiny red females are produced.


Alnus cordata

Fruit is 2.5cm long, much longer than other alders.