What is "allheal"

Allheal \All"heal\, n. A name popularly given to the officinal valerian, and to some other plants.

n. 1 Any of several plants supposed to have broad healing powers. 2 # (taxlink Prunella vulgaris species noshow=1), a species in the mint family. 3 # ''Stachys'', a genus of plants in the mint family, heal-all, (vern: self-heal), woundwort, betony, (vern: lamb's ears), (vern: hedgenettle). 4 # (taxlink Valeriana officinalis species noshow=1), a species in the valerian family.