What is "lion's ear"

Lion's ear \Li"on's ear`\ (l[imac]"[u^]nz [=e]r`) n. (Bot.) A name given in Western South America to certain plants with shaggy tomentose leaves, as species of Culcitium, and Espeletia.

n. 1 Any of various plants with shaggy tomentose leaf 2 # species of (taxlink Culcitium genus noshow=1) and (taxlink Espeletia genus noshow=1) in Western South America 3 # (taxlink Leonurus cardiaca species noshow=1) and (taxlink Leonotis nepetifolia species noshow=1), both native to Africa, but grown widely as herbal remedies.