Sunday, 5 July 2009

Buds and Catkins

Buds and catkins are the sexual part of a tree and are very important for sexual reproduction .Buds are a collection of cells where flowers or leaves grow from. They are also important features on trees to help us identify the tree. The above picture is of a bud on a Ash tree (Fraxinus excelsior)

This is a catkin and they differ from buds because they are unisexual and are pollinated by wind or sometimes by insects. This catkin is from a Crack Willow (Salix fragilis).

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