Alternanthera (Red) - Plant
These are annual or perennial herbs or subshrubs. While some of the better known species are aquatic plants, most are terrestrial.They take many forms, from prostrate to erect to floating. The leaves are oppositely arranged. The inflorescence is a spike or a rounded head occurring in the leaf axils or the ends of branches. The flowers have 5 tepals. There are 3 to 5 stamens which are fused into a rim at the bases, and 5 pseudostaminodes.