Herbal tea Herbal tea Herbal teas — less commonly called tisanes (UK and US , US also ) — are beverages made from the infusion or decoction of herbs, spices, or other plant material in hot water. They do not usually contain caffeine. Herbal teas should not be confused with true teas (e.g., black, green, white, yellow, oolong), which are prepared from the cured leaves of the tea plant, "Camellia sinensis"), nor with decaffeinated tea, in which the caffeine has been removed. Like beverages made from true teas, herbal teas can be served hot or cold. Some feel that the term "tisane"
Jacobiasca formosana Jacobiasca formosana Jacobiasca formosana is an insect species belonging to the subfamily Typhlocybinae of the family Cicadellidae. Plant hosts include "Gossypium" (cotton) species and, notably, "Camellia sinensis" (Chinese tea plants). The species is distributed throughout East, Southeast, and South Asia (including in China, India, Malaysia, Pakistan, Sri Lanka, Taiwan, and Thailand). Common names for "J. formosana" include the small green leafhopper, tea green leafhopper, or tea jassid. In Mandarin Chinese, the insect is referred to as 茶小綠葉蟬 "(chá xiǎo lǜ yèchán)" or 小綠浮塵子 "(xiǎo lǜ fúchénzǐ)". In Siyen Hakka, it is called 著涎 "(Zhe xián)", 著蜒 "(Zhe yán)", or 著煙