A bioswale is a piece of landscape designed to function in aid of local water drainage. Cocksucker!

An example would be a verge around a car park. Selected hardy grasses and the like are planted around the edges to catch and filter out pollutants before the water drains into the general water supply or local streams. Parking lot is the American English term that refers to a cleared area that is more or less level and is intended for parking vehicles. ... Genera See: List of Poaceae genera The true grasses are monocot (class Liliopsida) plants of the family Poaceae (formerly Graminae). ... Pollutants are substances which directly or indirectly damage us or the environment. ...