Alnus
A common tree that prefers moist grounds. In Europe there
are two kinds of Alder: the Common or Black Alder and the
Green Alder.
Flowering male napkins of the Alder
The female napkins of the Alder
1 The leaves of the Alder in fall,
With the buds for new leaves and male and female napkins.
2 The flowering male napkin.
3 The flowering female napkin.
4 The Cone.
The Alder after germination.
Nitrogen and the alder
The aler prefers moist soil , were it lives
together (symbiosis) with bacteria that bind nitrogen
and produces nitrates. Those nitrates are used by
the alder for its own production of proteins.
The leaves of the Alder
The leaves of the Alder strongly resembles the leaves of
the common Hazel.
The alnus is a mediumlarge tree.
male catkins on the right, mature female catkins on the left
mature and immature female catkins
The alnus during a frost period in a typically Dutch landscape.
Two Alders
Firewood
This list gives an indication of the quality as a firewood
