English: Spearwort; Banewort.
Region: most of Europe, Britain, temperate Asia.
Habitat: wet places, boggy soils, shallow water; prefers loamy soil, sunny position.
Ecology: greedy plant, inhibiting the growth of plants, legumes.
Content: protoanemonine; poisons when fresh, destroyed by heat or drying.
Use: medicinal.
BotanyHerb; perennial; up to 60 cm tall; strongly acrid juice.
Pollination: by flies, bees