Milkweed 'horns' may equal wins in reproduction battle

By Ashley Yeager, 12:26 PM March 20, 2014

Plants may be ripping a page right from bucks’ playbooks, developing hornlike weapons to improve their chances of reproduction.

Insects, birds and other animals spread plants' sex cells by picking up pollen and dropping it on other plants. South American milkweed appear to have developed hornlike extensions on their pollen sacs that may keep one plant’s pollen sacs from getting tangled and transported with pollen sacs from competing plants. The tactic could boost the chances that a single plan...

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