LEMNACEAE - DUCKWEED FAMILY

Small free-floating or submerged freshwater aquatics, plant body leafless, body undifferentiated

Leaves absent

Flowers unisexual, rarely found

6 genera, 29 species, in freshwater, some almost microscopic

Wolffia arrhiza is smallest known flowering plant

Economic uses - food for waterfowl and fish, aquarium plants

Diagnostic characteristics - floating aquatics, small, highly reduced


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