Nile lily (English); waterhiasint; Nyllelie; snotterbel (Afrikaans); amazibo (isiZulu)
A perennial aquatic plant, free-floating or anchored in shallow water, usually 10-20cm high but up to 1m when growing in dense mats. It has dark shiny green leaves in rosettes with distinctive, swollen, bladder-like petioles. Pale violet or blue flowers in 8-10 flowered spikes appear from November to April. This aquatic plant invades dams and slow-moving rivers.
White water-lily (Nymphaea lotus), blue water-lily (Nymphaea nouchali), small yellow water-lily (Nymphoides thunbergiana)