Botanical name: Sagittaria montevidensis Family: Alismataceae (Water Plantain family)
Aztec Arrowhead is an aquatic herb, considered native to South America, possibly Brazil. Leaf stalks are thick, cylindrical, spongy, mostly erect but also reclining, up to 75 cm. Leaves are arrow-shaped, hairless. Inflorescence is typically shorter than leaves, prostrate. Flowers arise in whorls or pairs at nodes. Flowers have 3 white petals with yellow base. Sepals are 3, green. Flower stalks are thick, up to 5 cm long. Flowering: June-September.
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The flower labeled Aztec Arrowhead is ...