echinacea alcohol-free liquid extract, echinacea (echinacea angustifolia) dried root glycerite hawaii pharm natural herbal supplement 2 oz hawaiipharm echinacea (echinacea angustifolia) is a north american plant species in sunflower family. it is widespread across much of the great plains of central canada and the central united states. echinacea angustifolia is a perennial herb up to 40 to 70 cm (16 to 28 in) tall with spindle-shaped taproots, that are often branched. the plant produces flower heads one per side branch, each at the end of a long peduncle. each head contains 8–21 pink or purple ray florets plus 80–250 orange disc florets. the plant blooms from late spring to mid-summer.