Source:http://linkedlifedata.com/resource/umls/id/C0946846
MSH: 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.