White Clover’s Toxic Tricks Traced to Its Hybridization
Published:23 Aug.2021    Source:Washington University in St. Louis

White clover is a weed that grows the world over -- there's a good chance you have some growing in your yard today. The plant that yard-preeners love to hate was spawned about 20,000 years ago when two European clover species hybridized.

 
The family history of white clover (Trifolium repens) was pinned down years ago, but biologists at Washington University in St. Louis have just uncovered the genetic backstory of white clover's biggest trick.