This rhizomatous aquatic perennial forms a clump with slender soft stems that rise to floating dark green rounded leaves. It has yellow fringed star-shaped flowers that appear in clusters above the foliage during summer.       

Hardiness zones 9 to 11 

Nymphoides crenata is naturally found in Australia from northern Territory to Queensland, New South Wales Victoria and Western Australia growing along river margins and ponds in still water up to a depth of 1m (3ft). It prefers fertile wet soils in an open sunny position and is frost and drought tender. 

The Wavy-leaved Marshwort is grown for its flowers and is planted in ponds and along still watercourses as a specimen. It establishes in 1 to 2 years and is suitable for coastal and inland regions. It may become rampant under optimum conditions requiring control. ID 2125

Nymphoides (nim-FOY-deez) crenata (KREN-a-ta)

Menyanthaceae (MEN-ee-an-THAY-see-ee)