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This picture shows the male catkins fully developed spreading their pollen. The smaller female catkins are above. The female catkins stay on the tree...
Continued Below Added: 26th Feb 2006 by Diane Earl
Unique Id: 60777 |
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Continued from above
long after the seeds have been shed as cones. This time of year the tree can look full, even though no leaves are present, as it bears male and female catkins and old cones. The Alder is a common waterside tree. It can reach 20 meters. The bark is grey brown with shallow fissures and in spring it produces rounded leaved, often with a slight indent at the tip. Mature trees have open slightly straggly crowns.
Subjects: Biology, Science
Key Stages: KS1, KS2, KS3, KS4, KS4+ Learning Groups: Teachers, Parents, Pupils, Others |
