Aglaonema is a genus of about 40 species of foliage plants in the family Araceae , native to the tropical swamps and rainforests of southeastern Asia from Bangladesh east to the Philippines and north to southern China . Aglaonema is a genus of about 40 species of foliage plants in the family Araceae , native to the tropical swamps and rainforests of southeastern Asia , from Bangladesh east to the Philippines , and north to southern China .