Philydrum

Philydrum is a genus of tufted, herbaceous, aquatic macrophyte plants, one of three genera constituting the plant family Philydraceae.

Philydrum lanuginosum is the sole known species. They are commonly known as frogsmouths and woolly waterlilies.

Woolly waterlilies occur naturally across south and east Asia, including India, S. China, Taiwan, Japan, Malaysia, Burma, Thailand, Vietnam; across Malesia including New Guinea; across northern and eastern Australia and the Pacific Islands. In Australia they grow naturally in wetlands in northern WA, NT, Qld, NSW and Vic.