From smooth and button-size to spiky and giant-size, why are cacti so diverse?
Cacti are among the most diverse plants, from the giant saguaro cactus that can grow up to 18 meters in height, all the way ...
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Cactus dreams: Revealing the secrets of mescaline making
In that case, however, why does the towering San Pedro cactus, a distant relative of ... particularly in the outer layers of its crown, called the button, where the highest concentration of ...