Greek philos – loving, hydor – water, as the plants generally grow in swampy areas.

For description see P. lanuginosum.

Division of clumps or seed.

A medicinal herb in China.

Flowers yellow; anther twisted; fruit a capsule.

1 species from Australia and New Guinea to Japan, SE and E Asia.

Source: Spencer, R. (2005). Philydraceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.