ALISMATIDAE
Herbs, either aquatic or of wet places
4 orders, 16 families, 500 species
ALISMATACEAE - Water Plantain or Arrowhead Family
Herbs, annual or perennial, aquatic or wetland, with stout rhizomes
Leaves basal, basally sheating petiole
Flowers unisexual or bisexual, actinomorphic, infl. whorled, in racemes
or panicles
Most common genus - Sagittaria
Economic uses: important wildlife food plants, rhizomes are edible in some
Diagnostic characteristics: aquatic or wetland herbs, floral parts in 3's,
white, leaf arrowhead-shaped
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