Allium schoenoprasum L. Alliaceae. Chives. Bulbour perennial herb. 'schoenoprasm' means 'rush leek' in Greek, referring to the narrow leaves. Distribution: Asia, Europe and North America. Leaves used as a garnish on cooked food and in salads. However like others in Boraginaceae it contains the pyrrolizidine alkaloid cynoglossine which causes liver damage. Photographed in the Medicinal Garden of the Royal College of Physicians, London.