Water feather; water milfoil (English), waterduisendblaar (Afrikaans), uphaphe; lukapoli (isiZulu).
A spirally leafed, aquatic plant capable of forming dense infestations in waterways with pale green, finely divided, feather-like leaves arranged in whorls. Tiny, solitary, inconspicuous cream flowers forming in the axils of the leaves from May-September. It invades still or slow-moving water on the banks of rivers, lakes and ponds.
Creeping ludwigia (Ludwigia stolonifera), Water parsnip (Sium repandum), water chestnut (Trapa natans)