Plantago lanceolata is a species of genus Plantago known by the common names ribwort plantain, English plantain, and narrowleaf plantain. It is a common weed of cultivated land.
The plant is a rosette-forming perennial herb, with leafless, silky, hairy flower stems (10–40 cm/3.9–16 in). The basal leaves are lanceolate spreading or erect, scarcely-toothed with 3-5 strong parallel veins narrowed to short petiole. Grouping leaf stalk deeply furrowed, ending in an oblong inflorescence of many small flowers each with a pointed bract. Each flower can produce up to two seeds. Flowers 4 mm (calyx green, corolla brownish), 4 bent back lobes with brown midribs, long white stamens. Found in British Isles, scarce on acidic soils (pH < 4.5). It is considered an invasive weed in North America. It is present and widespread in the Americas and Australia as an introduced species.
Considered to be an indicator of agriculture in pollen diagrams, P. lanceolata has been found in western Norway from the Early Neolithic onwards. Something that is considered to be an indicator of grazing in that area.
P. lanceolata is used frequently in tisanes and other herbal remedies. It is also used in beverages such as teas.
Description taken from Wikipedia: http://en.wikipedia.org/wiki/Plantago_lanceolata