yerba mansa
— Navneord
– Engelsk
~ stoloniferous herb of southwestern United States and Mexico having a pungent rootstock and small spicate flowers with white bracts suggesting an anemone
yerba santa
— Navneord
– Engelsk
~ viscid evergreen shrub of western United States with white to deep lilac flowers; the sticky aromatic leaves are used in treating bronchial and pulmonary illnesses