Longer Roots Are Discovered in Large Plant Family

[lsanderson]

A fossil flower that is an ancient relative of daisies suggests that the plant group rose 50 million years ago.
By SINDYA N. BHANOO
Published: September 27, 2010

The Asteraceae family is one of the largest plant families in the world. Its 20,000-plus members are found on every continent but Antarctica and include daisies, sunflowers, dandelions, lettuce and artichokes.
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Now, scientists have found the oldest known member of this family in a nearly 50 million-year-old fossil flower. More