The Collaborative International Dictionary
Yerba \Yer"ba\, n. [Sp.] (Bot.) An herb; a plant.
Note: This word is much used in compound names of plants in Spanish; as, yerba buena [Sp., a good herb], a name applied in Spain to several kinds of mint ( Mentha sativa, viridis, etc.), but in California universally applied to a common, sweet-scented labiate plant ( Micromeria Douglasii).
Yerba dol osa. [Sp., herb of the she-bear.] A kind of buckthorn ( Rhamnus Californica).
Yerba mansa. [Sp., a mild herb, soft herb.] A plant ( Anemopsis Californica) with a pungent, aromatic rootstock, used medicinally by the Mexicans and the Indians.
Yerba reuma. [Cf. Sp. reuma rheum, rheumatism.] A low California undershrub ( Frankenia grandifolia).