I found this interesting and I did not get it right on my first guess. Can you do better?
This herb is a perennial shrub about 2 feet high, it is a member of the mint family and has over 500 varieties. Its flowers are fragrant, usually purple or blue, sometimes white, red or pink. They are rich in nectar, and it's honey is in great demand in Europe because of its spicy flavor. Some varieties, have broad leaves; others have foliage variegated with red, yellow, or white..For most of its long history it has been a healing herb (supposedly curing everything from snake bites, eye problems, infection, epilepsy, intoxication, memory loss, worms and intestinal problems) or prescribed as an aphrodisiac.The dried leaves are employed by food manufacturers in seasoning meats, baked goods, and beverages. They are also used to flavor vermouth and various bitters. For years it has been used in the preserving of foods. Now it is known that it contains powerful anti-oxidants which slow spoilage. It is also antibacterial in nature, it is effective in treating sore throats and is even effective as an antiperspirant.
What am I? Click on the comments to see the answer.
Taken from http://foodreference.com/ weekly culinary quiz