Tea tree

• Camellia sinensis (aka Thea sinensis), from which black, green, oolong and white tea are all obtained.
• Melaleuca from which tea tree oil is obtained, in the family Myrtaceae.
• Leptospermum, also in the family Myrtaceae; notably
• Leptospermum scoparium (Manuka) in New Zealand and southeast Australia.
• Kanuka (Kunzea ericoides) also in New Zealand.
• Boxthorn or Lycium in the family Solanaceae, notably
• Duke of Argyll's Tea Tree (Lycium barbarum), also known as Wolfberry or Matrimony Vine.
• Ti (plant), Cordyline fruticosa, in the family Laxmanniaceae, formerly treated in the family Agavaceae.

Also:

• Tea Tree, Tasmania is a locality south of Hobart.
• Ti Tree, Northern Territory is a small town.