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Hawkweed (Hieracium umbellatum)

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This tall upright plant is one of the most common species of Hawkweed found in Britain. The fairly large bright yellow flower heads close up in the afternoon. The plants reproduce by a process known as apomixis - that is without fertilization giving rise to a line of descendants identical to the parent plant. This means plants in an area look alike but, as small genetic changes have occurred over the years, it means they look different from plants in other locations. Some people treat these as separate species and there are over 300 identified in Britain and around 20,000 in the world. Hawkweed grows in open woods hedgerows and roadsides in lowland areas. It flowers June to October. Picture taken at Old Warden railway cutting, Bedfordshire June 10th 2006.

Added:
10th Jun 2006 by Diane Earl

Subjects:
Biology, Science

Key Stages:
Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+

Keywords:
plant flower wildlife

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