Photo: Leonurus cardiaca 10.

Young plant, looking all innocent and green. It'll grow up to be a very tall plant with spiny flowerclusters, and it'll self-seed profusely. Perheniemi, Finland. Planted. 2006-08-15.

Leonurus cardiaca L.
Engl.: common motherwort, motherwort.
Deu.: Echtes Herzgespann, Löwenschwanz.
Suom.: nukula.
Sven.: hjärtstilla, bonässla, äkta hjärtstilla.
Ital.: cardiaca.
Bot. syn.: Leonurus quinquelobus Gilib.