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Pollination and Rare plants

A single pollen grain sits upon the stamen of a hibiscus flower. (Jasper Nance/Flickr)

The seed is everything. But there's a problem Researchers have long noted that rare plants often don't produce many seeds. In 2013, the Chihuahuan Desert Research Institute investigated this phenomenon. Researchers spent the summer working on a list of 212 plant species at most risk in the region. Listen to this week's Nature Notes to find out what they discovered.