Armoracia rusticana, P. Gaertner

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 : 284

1. A. rusticana P. Gaertner , B. Meyer & Scherb., F7. Wett. 2: 426 (1800)

( A. lapathifolia Gilib. , Cochlearia armoracia L. ).

Plant with stout branched stock and fleshy fusiform roots. Stems up to 1 m or more. Basal leaves 30-50 cm, ovate or ovate-oblong, crenate-serrate; petiole up to 30 cm. Cauline leaves sessile or shortly petiolate, the lower often pinnatifid, the upper serrate or entire. Petals 5-7 mm. Silicula 4-6 mm, globose or ovoid; seeds 4-6 in each loculus. 2n = 32. Cultivatedfor culinary purposes and now widely naturalized or casual throughout most o f Europe; probably native in S. Russia & E. Ukraine. Rs (C, W, E) [Au Be Br Cz D a Fe G a Ge H b He Ho Hs H u It Ju No Po Rm Su Tu].