'Potentilla fruticosa' definitions:

Definition of 'Potentilla fruticosa'

From: GCIDE

Hardhack \Hard"hack`\ (-h[a^]k`), n. (Bot.) A very astringent shrub (Spir[ae]a tomentosa), common in pastures. The Potentilla fruticosa is also called by this name. [1913 Webster]