polygonum cognatum

Polygonum cognatum, commonly called Indian knotgrass or madimak (from Turkish madımak), is an edible weedy creeping perennial herb in the genus Polygonum, frequently eaten by people of Turkey. It has larger leaves than most other species of Polygonum.

Polygonum cognatum is a perennial, prostrate or ascending branched herb, 15–30 cm long with a thick stout root stock. Stems are prostrate, green like the leaves. Leaves oblong-elliptic, petiolate, often slightly mucronate. Flowers in bundles in the ...