MONOCOTILEDÓNEAS-ALISMATALES -ALISMATACEAE

I-ALISMATACEAE PLAN OF WET LAND,TERRESTRIAL OR SEMI AQUATIC,LEAVES USUALLY BASAL WITH LON PETIOLE.PEDUNCULE WITH HERMAPHRODITE FLOWERS OR MONOICIOUS,FLOWER VERTICILS SEPARATE -FLOWER PETALOIDS

II-SAGITARIA  UPPER FLOWER MALE,LOWER FEMALE

III-ECHINODORUS FLOWER BISEXUAL