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Grey Alder Alnus incana (Betulaceae) HEIGHT to 25m <br />
A fast-growing alder more at home on dry soils than most other alders. Shoots and new leaves are covered with a dense layer of soft greyish hairs (hence incana). BARK Smooth and grey. LEAVES Triangular and toothed, terminating in a point, and the margins do not roll inwards. Hairs persist on the underside of the leaf as it matures. REPRODUCTIVE PARTS The catkins and fruits are very similar to those of other alders, although the green fruits are more globose before ripening to the typical dark, woody alder cone. STATUS AND DISTRIBUTION A native of Europe, introduced into Britain but not often planted. A good species for wasteland and reclamation schemes.
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134707
Grey Alder Alnus incana (Betulaceae) HEIGHT to 25m
A fast-growing alder more at home on dry soils than most other alders. Shoots and new leaves are covered with a dense layer of soft greyish hairs (hence incana). BARK Smooth and grey. LEAVES Triangular and toothed, terminating in a point, and the margins do not roll inwards. Hairs persist on the underside of the leaf as it matures. REPRODUCTIVE PARTS The catkins and fruits are very similar to those of other alders, although the green fruits are more globose before ripening to the typical dark, woody alder cone. STATUS AND DISTRIBUTION A native of Europe, introduced into Britain but not often planted. A good species for wasteland and reclamation schemes.

Filename: 134707.jpg
Size: 3543x2353 / 3.7MB
Source:
Date: 9 Aug 2006
Location:
Credit: PAUL STERRY/NPL
Copyright:
Model Release: No
Property Release: No
Restrictions: Nature Photographers Ltd., West Wit, New Road, Little London, Tadley, Hampshire, RG26 5EU. Tel: +44(0)1256 850661 web: www.naturephotographers.co.uk
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