Reposted by Etienne Lantier
Fun goat’s rue facts:
“In Australia, 2 plants—… (Tephrosia [virens]) and …. Polycarpaea spirostylis—come together to form a map with contours: the Tephrosia tracing the outer edges of copper deposits, but giving way to the flag-waving Polycarpaea wherever copper reaches more that 2k ppm
