Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Betulaceae ⟩ Alnus glutinosa / alder

Alnus glutinosa (L.) Gaertn.

alder (Betulaceae)

 SpreadBias within British IslesDirection of bias
Very widespreadNegligible tendencyNW
Plant Atlas 2020
BSBI Distribution Map

The fruits of Alnus glutinosa are shed from woody ‘cones’.

Oxford (VC23: Oxfordshire); 2012-04-29

 alder / Alnus glutinosa: The fruits of _Alnus glutinosa_ are shed from woody ‘cones’.

Alnus glutinosa is a tree that grows throughout the British Isles, often in damp places.

Oxford (VC23: Oxfordshire); 2015-05-08

 alder / Alnus glutinosa: _Alnus glutinosa_ is a tree that grows throughout the British Isles, often in damp places.

Alnus glutinosa 'Laciniata' is a cultivar with deeply cut leaves.

Bury St. Edmund’s (VC26: West Suffolk); 2016-09-04

 alder / Alnus glutinosa: _Alnus glutinosa_ ’Laciniata’ is a cultivar with deeply cut leaves.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne