Achillea millefolium or common yarrow, a flowering plant native to temperate regions of the Northern Hemisphere.
Dendrocnide sinuata (synonym: Laportea crenulata), a species of nettle in the family Urticaceae found in Australia and South Asia.
The plant common yarrow, or herba sanguinaria (Achillea millefolium).
A bloodthirsty person.
Eager to shed blood; bloodthirsty.
Involving bloodshed.
Consisting of, covered with, or similar in appearance to blood.