
Appearance
''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 leaf axils. Perianth pinkish, 4–5 mm, hardening and accrescent in fruit. Nut glossy, included in the perianth.Naming
*''Polygonum cognatum'' subsp. ''chitralicum'' : endemic in Chitral, Pakistan.⤷ ''Polygonum cognatum'' subsp. ''cognatum''
Habitat
Irano-Turanian Region or Iran-Turan Plant Geography Region element, grows between 760–5600 meters elevation on rocky and drier slopes; distribution: Central to Western Asia, Turkey, Caucasia , Iran, Afghanistan and Pakistan. The madimak is a weed found in both agricultural and non-agricultural areas.References:
Some text fragments are auto parsed from Wikipedia.