Philydrum lanuginosum - Fan Grass, Frog Mouth, Woolly Waterlily

Scientific name: Philydrum lanuginosum 

Common name: Fan Grass, Frogsmouth, Frog Mouth, Woollywater Lily
Family: Philydraceae
Origin: Southeast Asia
Category: Aquatic Plant
Photo taken at: Rooftop Secret Garden of 1-Utama

The genus name is derived from the Greek word, "philos" meaning loving hydro/water as the plants grow in swamps. The species name is derived from Latin, "lanuginosus" meaning woolly; referring to the woolly bracts around the flowers.

References:
1. New South Wales Flora Online
2. The Royal Botanic Gardens & Domain Trust