Plantago

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Plantago

A plant genus of the family Plantaginaceae, order Plantaginales, subclass Asteridae, class Magnoliopsida. The small plants usually have a dense tuft of basal leaves and long, leafless stalks bearing a terminal spike of small flowers. The seeds, known as PSYLLIUM, swell in water and are used as laxatives. The leaves have been used medicinally.