The Open Door Web Site
Part XIV : Seasonal Influences on Plant Populations Index
SEASONAL INFLUENCES ON PLANT POPULATIONS
Other Ways of Surviving Winter
Some plants, such as the fern, survive the winter as an underground stem called a rhizome.
1 = The fern's leaves above ground die during the winter months
Survival Above Ground for an Evergreen
Some trees lose their leaves in the winter. Pine trees do not. The pine needles survive throughout the winter.
Trees which lose their leaves in winter are called deciduous trees. Those which keep their leaves or needles all year are called evergreen trees. The photograph (bottom left) shows examples of both. The evergreens are in the background and the deciduous trees in the foreground have lost their leaves for winter.
Survival Above Ground for a Deciduous Tree
In autumn, the chestnut tree drops its leaves and the tree becomes dormant for the winter. Already the buds can be seen from which the next year's leaves will grow. This is how the chestnut tree prepares to survive winter.
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