It's not just nettles that sting. Plants discovered how to defend themselves multiple times, but whatever building blocks they use, they all share a similar design in needles.
Tag - calcium carbonate
Dale Maylea
Outer space comes to Cambridge
Some saxifrages are almost literally out of this world.
Nigel Chaffey
Biomineralization in the Trichomes of Boraginales
Boraginales are typically characterized by a dense cover of stiff, mineralized trichomes, likely providing protection against herbivores. These trichomes have long been known to be mineralized with silica. Mustafa et al...
botanyone