田葱属（学名：Philydrum）是田葱科下的一个属，为粗壮草本植物。该属仅有田葱（Philydrum lanuginosum）一种，分布于热带亚洲和大洋洲。

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, ******, 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.