hāka
1. (noun) Canadian fleabane, Erigeron canadensis - an annual plant that grows to 1.5 m, with sparsely hairy stems. Grows to 1.5 metres. The leaves are unstalked, slender, 2–10 cm long and up to 1 cm across, with a coarsely toothed margin. They grow in an alternate spiral up the stem.
See also porerarua