The book WEEDS: in Defense of Nature’s Most Unloved Plants by Richard Mabey is reviewed in New York Times today. It is great review, but once again there is a common mistake in how evolution works by the writer of the review (and maybe also by Mabey, I am not sure since I haven't read the book yet):
"One can’t help being impressed by weeds’ ingenuity. They’ve grown hooks, burrs, spines, rib hairs and a sort of glue to move their seeds around."
Weeds haven't grown these things. Plants that had these characters, evolved from genetic variation and mutations over a long time, became weeds because of them. To become a weed is a secondary thing, not something that forces a plant in a certain evolutionary direction.
It is interesting though how our weed project hits exactly the same notes as Mabey's book. History, culture, biology, medicine, and the misunderstood weeds connecting it all.
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