What is yerba buena herb?
Answer: Mint, I'm not sure if spear or pepper 'tho..
Yerba Buena is mint. If you steep it in hot water it make a great tea. Yerba buena helps soothe an achy stomach. Fresh mint leaves added to ice cold river makes it minty and adds a nice untaught sweetness, it's also great with fresh fruit. Yerba buena is very multi-use. "Yerba buena" literally translates to "good herb" so I'm inclined to say it's marijuana, but clearly I know nought..
It's the Spanish name for peppermint, and often spelled as a single word within many countries. HERE IS AN AUTHORATIVE ANSWER, SEE THE LINK BELOW.
Use as a natural analgesic for Arthritis Toothaches Headacher
www.philippineherbalmedicine.org.
ITS THE SAN FRANCISCO TREAT!