Rumex patientia, 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 : 86

35. R. patientia L. , Sp. Pl. 333 (1753) .

Perennial 80-200 cm. Leaves pale green, 3-4 times as long as wide, ovate- or oblong-lanceolate, acute, truncate or broadly cuneate (rarely subcordate) at the base. Valves 4 -8 x 4 -10 mm, variable in outline. Nut 3-4 mm. Mainly ruderal. From E. Austria and S. Czechoslovakia to S.E. Russia; formerly cultivated elsewhere as a vegetable and locally naturalized. Al Au Bu Cz Gr Hu Ju Rm Rs (W, K, E).

1 Valves 6-8 x 8-10 mm (b) subsp. orientalis 1 Valves less than 8 mm wide

2 Valves longerthanwide,acute,truncateor subcordateat base

(c) subsp. recurvatus 2 Valvesaboutaslongaswide,obtuse,distinctlycordateat base (a) subsp. patientia