Field bindweed (Convolvulus arvensis) is a perennial herbaceous vine, that is considered one of the most troublesome weeds of agricultural fields worldwide. C. arvensis is native to continental Europe and Asia. It has been widely naturalised in tropical and temperate parts of the world. C. arvensis is considered a noxious weed in the United States, Australia and South Africa.
C. arvensis has a vigorous root and rhizome system that makes it difficult to control. It's seeds have a long dormant period and can survive in soil for up to 60 years. C. arvensis has arrowhead-shaped leaves It produces trumpet-shaped, white purplish-pink flowers that bloom from April through October.
Toxic components C. arvensis contains tropane alkaloids (tropine, pseudotropine, and tropinone) and pyrrolidine alkaloids (cuscohygrine and hygrine).