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Water Hyacinth

Eichornia crassipes

Water hyacinths vary in size from a few inches to over three feet tall. The water hyacinth has striking light blue to violet flowers located on a terminal spike. Water hyacinth is a very aggressive invader and can form thick mats. If these mats cover the entire surface of the pond they can cause oxygen depletion and fish kills. Water hyacinth leaves are rounded and leathery, attached to spongy and sometimes inflated stalks. The plant has dark feathery roots.

Also known as: Common water hyacinth; floating water hyacinth