Bistort

Botanical Name: Polygonum bistorta/Persicaria bistorta
Family: Polygonaceae
Other Names: Adderwort, dragonwort, Easter giant, Easter ledges, Easter manigant, English serpent tree, English serpentery, oderwort, osterick, passion dock, passions, patience dock, poor man cabbage, red legs, snakeroot, snake weed, sweet dock, twice writhen
Habitat: Grassland, mountains, roadsides, stream banks
Description: Hardy hairless perennial. 90cm/3ft.Upright, branching stem Broad, oval leaves, silvery hairs on the veins beneath. Flowers pink spikes, June-August
Native to: Europe and Asia
Parts Used: The whole herb apart from the berries
Cultivation: Plant October-March. Rich, moist soil partial shade
Propagation: By division October -March
Actions: Anti-catarrhal, anti-diarrhoeal, anti-haemorrhagic, anti-inflammatory, astringent, demulcent
Constituents: 15-20% tannins, starch, protein, traces of anthraquiinone
Skin: Eczema
Circulatory, joint muscle: Arthritis, rheumatism
Respiratory: Coughs, sore throats
Digestive: Dysentery, jaundice, diarrhoea
Other Notes: Leaves traditionally used in Easter puddings Its name comes from the Greek "polys" meaning many and "gonu" meaning joint
Bistorta means twice twisted in Latin and refers to the shape of the rootstock
Caution: Berries are poisonous