Floral Shocker: Blooms shake roots of flowering-plant family | Science News

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Floral Shocker: Blooms shake roots of flowering-plant family

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1:25pm, March 19, 2008

Imagine discovering a mammal without mammary glands or an insect with eight legs. Aquatic herbs in the genus Hydatella pose a similar paradox—they lack a defining developmental feature of flowering plants, raising questions about their evolution and rampant speciation during the past 135 million years.

Evolutionary biologists group together organisms that share unique traits, such as mammary glands or fur, which presumably emerged in a common ancestor. In the flowering plants—the angiosperms—these features include bearing true flowers and key events that

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