Araceae (weeds) - (arum family)
The family includes almost 4,000 species of monocots, called aroids, which are common in the tropics. It contains a large variety of forms and many species are used. Several are popular ornamentals due to their attractive flowers, others are grown as crops for their tubers and leaves (e.g. taro). The family also includes several important aquatic weeds like waterlettuce or duckweed.
For details see the respective page in Wikipedia.
The following genera and species of weeds are currently entered under this family: