Rumex hydrolapathum

Adam eveleği

Perennial up to 2 m, with at least the lower parts in water. Basal leaves lanceolate, at least 50 cm. Glomeruli of the inflorescence rather dense, somewhat remote to contiguous. Pedicels longer than the fruiting perianth segments, articulated in the lower part. Inner perianth segments triangular in fruit, c. 6 x 5 mm, somewhat denticulate, tuberculate, the tubercle fusiform, 2-3 x longer than broad. Fl. 7-9. Lake edges, c. 1300 m.

Most of Europe, Caucasus. Euro-Sib. element