annual mercury

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Noun === annual mercury (uncountable) Mercurialis annua, a spurge native to Europe, North Africa, and the Middle East and invasive elsewhere. Synonyms: French mercury, (obsolete) mercurial === References === annual mercury on Wikipedia.Wikipedia Mercurialis annua on Wikispecies.Wikispecies Category:Mercurialis annua on Wikimedia Commons.Wikimedia Commons