Minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond.
Species of the genus Wolffia are the smallest flowering plants. Commonly called watermeal, these aquatic plants resemble specks of cornmeal floating on the water.
Source: Answers.com
nowhere
Near water
Wolffia is commonly known as 'watermeal'.Wolffia is an entire genus of water plant, most commonly known as water meal.
Wolffia.
The Wolffia is the smallest flowering plant that produces the world smallest fruit. The plant is found in quiet freshwater lakes or marshes with species worldwide. Since the plants have no roots, they can easily float on the surface of the water, where they resemble cornmeal.
Common names include duckweed and watermeal; it is found on the surface of ponds of hot interior valleys, comprised of nine species worldwide.
wolffia globosa is a flower which measures 0.4 to 0.9 mm.It is an aquatic plant which is edible or can be eat.
Watermeal
the genus wolffia
green or greenish-yellow
Wolffia globosa
Duckweed