Spanish psyllium

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Noun

1.Spanish psyllium - plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxativefleawort, Plantago psyllium, psylliumplantain - any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally