The tree Melaleuca alternifolia, from which tea tree oil is obtained.
The tea plant (Camellia sinensis), from which black, green, oolong and white tea are all obtained.
The shrub ti (Cordyline fruticosa).
The kanuka, Kunzea ericoides.
A shrub or small tree native to New Zealand and southeast Australia (Leptospermum scoparium).
The duke of Argyll's tea tree (Lycium barbarum), also known as wolfberry or matrimony vine.