Circaea alpina commonly called enchanter's nightshade or small enchanter's nightshade is a 10–30 cm tall perennial herb with opposite, petioled, leaves. The petioles have a wing beneath. The leaves are ovate, 2–6 cm and coarsely dentate. The flowers and fruits are clustered near the top of the fruiting raceme; each raceme bears 15 or less white or pink flowers in July. The seed is a bur with one seed. C. alpina prefers a moist, upland habitat. C. alpina...