The proposed standard would allow fewer types of cut flowers and foliage to be imported, though it would increase the number of countries eligible to export to New Zealand from 14 to 26 ...

It comes from the nectar of the flower of Leptospermum scoparium — also known as Manuka, which is only native to New Zealand. Mānuka, in fact, is a Maori word. "The plant itself is very rare.