Camellia sinensis Camellia sinensis Camellia sinensis is a species of evergreen shrub or small tree whose leaves and leaf buds are used to produce tea. It is of the genus "Camellia" () of flowering plants in the family Theaceae. Common names include "tea plant", "tea shrub", and "tea tree" (not to be confused with "Melaleuca alternifolia", the source of tea tree oil, or "Leptospermum scoparium", the New Zealand Tea Tree). "Camellia sinensis" var. "sinensis" and "Camellia sinensis" var. "assamica", are two major varieties grown today. White tea, yellow tea, green tea, oolong, dark tea (which includes pu-erh tea) and black tea are
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