ALISMATACEAE, Water-plantain Family
Aquatic or marsh herbs; monoecious or dioecious; leaves simple.. basal, long-petioled; flowers hypogynous, monosporangiate or bisporangiate, regular, bracted, verticillate in racemes or panicles; sepals 3, separate; petals 3, separate; stamens 6-many; carpels few to many, separate; fruit an aggregate of achenes. (Alismaceae)
Alismataceae