noun, feminine/mɛʁ.ky.ʁjal vi.vas/plural: mercuriales vivaces
mercuriale vivace is feminine in French.
dog's mercury (Mercurialis perennis)
Synonyms: chou de chien, cynocrambe, cynocrambé, mercuriale pérenne, mercuriale sauvage
Calque of translingual Mercurialis perennis.