Chelidonium majus, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 251

1. C. majus L. , Sp. Pl. 505 (1753) .

Glaucous, sparsely pubescent perennial. Stems 30-90 cm. Leaves pinnate; leaflets 5-7, ovate to oblong, terminal usually 3-lobed, lateral often with a stipule-like lobe at base on lower side, all crenate (or deeply incised, var. laciniatum (Miller) Syme ). Inflorescence umbellate; flowers 2-6. Petals up to 1 cm, obovate, bright yellow. Stamens yellow; filaments expanded above. Capsule 3-5 cm, more or less straight, glabrous; aril white. 2n = 12. Europe, except the extreme north, but in some districts only as an escape from gardens. All except Fa Is Sb; only as a naturalized alien in Hb and perhaps elsewhere.