Photo: Leonurus japonicus 3.

Flowering top. Helsinki, Finland. Planted. 2006-09-26.

Leonurus japonicus Houtt.
Engl.: honeyweed, Siberian motherwort, Chinese motherwort.
Deu.: Sibirisches Herzgespann, Chinesisches Herzgespann.
TCM: yi mu cao, yi mu ts'ao.
Bot. syn.: Leonurus artemisia (Lour.) S. Y. Hu, Leonurus artemisia auct. non Lour., Leonurus heterophyllus Sweet, Leonurus sibiricus auct. pl., Stachys artemisia Lour.