from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An aromatic perennial herb (Satureja douglasii) of the mint family, having crenate opposite leaves and white or purplish axillary flowers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A perennial herb native to North America, Satureja douglasii, having white or purple flowers and a mint-like fragrance.
Spanish : yerba, herb + buena, good.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Spanish hierba buena (mint). (Wiktionary)