Bilderdykia dumetorum, (L.) Dumort.

2. B. dumetorum (L.) Dumort. View in CoL , loc. cit. (1827)

( Polygonum dumetorum L. ).

Like 1, but often taller; pedicels articulated at or below the middle, attaining 5-8 mm in fruit and usually deflexed; outer perianth-segments broadly winged in fruit, the wings decurrent on the pedicel; and nut 2-5-3 mm, smooth and glossy. 2« = 20. Usually in hedges or among native vegetation. Most of Europe except the extreme north. Al Au Be Br Bu Co Cz Da Fe Ga Ge Gr He Ho Hs Hu It Ju Lu No Po Rm Rs (N, B, C, W, K, E) Si Su.