alder by St Paul's

above: by a bus stop
opposite St Paul's.

below: the cone and catkin
of an Italian alder.

cones and catkins of Italian alder

Trees of London
St Paul's

Italian  Alder

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              The Italian alder tree is the most common alder tree to be found in cities, because it is the only one that can survive a long way from ponds or fresh water rivers. It is much like the grey alder and varies from the common alder by the shape of its leaves. The bark is not dissimilar to that of the lime tree, except that the alder always looks tidier. The leaves also are not dissimilar. What makes the alder distinctive are its nuts (catkins: see tree identification section) which remain on the tree for most of the summer and throughout the winter. They only fall in the early spring and are immediately replaced by the next years batch.

alder by St Paul's

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Other Trees at St Paul's

beech      lime     walnut

elm     strawberry

St Paul's

Tree Identification

alnus cordata:

alternate; veins: alternate, just; oval shaped, pointed.

Alder leaf
Alder cone

nuts/fruit: very small cones, on the tree all year round.

Alder catkins


alder bark bark:
grey/brown, smooth when young; vertical ridges.
grows to 25 metres; thin, pointed.
general: Italian alder is the most common, because it is more adaptable away from water, in cities.

Across the road on the south side
of the church, beside a bus stop
where you can get a number 15,
there are three.
Marked red on map.

Trees of London        A James Wilkinson Publication ©