ongaonga
/ˈɒŋ(ɡ)əˌɒŋ(ɡ)ə/NZ
noun
The New Zealand tree nettle, Urtica ferox, which has virulent stinging hairs and grows into a shrub of up to 10 feet (3 metres) in height.
Origin
Mid 19th century; earliest use found in Richard Taylor (?1805–1873). From Maori ongaonga.