Cardamine amara, L.

13. C. amara L. , Sp. Pl. 656 (1753).

Perennial 10-60 cm, usually almost glabrous (hairy throughout in vars.); stem angular; rhizome with numerous, slender stolons. Leaves thin, not in a rosette; lower caul ine leaves pinnate with 2-4 pairs of ovate to orbicular, crenate, shortly stalked leaflets and a somewhat larger terminal leaflet; upper cauline leaves shortly petiolate with 2-5 pairs of lanceolate to ovate, angular leaflets. Flowers 9-24. Petals 7-9 mm, white, rarely purplish; anthers blackish-violet or rarely yellowish-white. Siliqua 2 0-4 0x1-2 mm; style 0-5- 2- 5 mm; stigma narrower than style. 2«= 16, 32. Most o f Europe, but rare in the north and extreme south. Au Be Br Bu Co Cz D a Fe G a Ge Hb He Ho Hs H u It Ju Lu No Po Rm Rs (N, B, C, W, E) Si Su.