murnong noun1 •(Australia) A perennial herb of temperate Australia, Microseris lanceolata, or its edible tuber, an important food for Aboriginal Australians.One of these sketches shows a line of women digging for yam daisy, or murnong [Microseris lanceolata] tubers – a little sweet potato that was a staple vegetable of the Wathaurong. — 2018 formsmurnongs