name botanical:Alnus spaethii
family:Birch family (Betulaceae)
height:10 – 15 m (33 - 49 ft)
The leaves of Spaerth's alder are ovoid, pointed and up to 16 cm (6.3 in) long. The underside of the leaf is matt green and brighter than the top. The leaf margin is serrated.
fall foliage:Violet - red
The male flowers (catkins) are conspicuous, about 10 cm (3.9 in) long and often hang on to fourth in a clump. The female flowers are inconspicuous.
Small woody cones, first green then dark brown.
Young twigs are gray-green, the older brown-green with many lenticels.
bark:The bark is gray-brown and slightly fissured.
root:Shallow-rooting plant, highly branched fine roots
location:Sun to half-shade
soil:sandy-loamy to loamy
ph value:slightly acidic to alkaline
single tree, planting in groups. Urban green, street tree
Alders additional information
overview leaves | overview blossoms
overview fruit | overview trunk
overview winter | overview trees