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Biology 211: Taxonomy of Flowering Plants

A TOUR OF REQUIRED FLOWERING PLANT FAMILIES

Class Liliopsida

Subclass Alismatidae

47. Alismataceae - Arrowhead; marsh and aquatic herbs; leaves basal, erect or floating, petiole long, bases sheathing, blades linear to sagitate or hastate; flowers perfect or imperfect (monoecious or dioecious), in racemes or panicles; sepals 3, separate, green; petals 3, separate, often white; stamens 6 to many; carpels 6 to many, unilocular, one ovule per locule; fruit an achene.

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Magnoliidae Hamamelidae Caryophyllidae Dilleniidae Rosidae Asteridae
Alismatidae Arecidae Commelinidae Zingiberidae Liliidae