Fat hen (Chenopodium album L.)

Family: Chenopodiaceae Vent. 
Stems lower stem rounded or pentagonal in cross-section, mealy and silvery in appearance.
Leaves, oval to triangular in shape, dark green, mostly with uneven, forward-pointing teeth.
Root system vertical root
Propagation by seed approx before 700,000 seeds per plant.
Flowering period July-August.
Inflorescence — panicle.
Fruit - achene, single-seeded, completely enclosed by a thin husk and the perianth
Viability of Seeds In soil before 38 years, rest period - up to 6 months. Chenopodium album produces two kinds of seeds: approximately 95% of the seeds are almost black, hard coated and dormant, around 5% of the seeds are brown, almost uncoated and not dormant.
Germination within the temperature of 3-24°С, the stairs appear in March-October from a depth of 0,5-3 cm.
Do not lose germinating, passing through the digestive organs of cattle , so clogs the farmyard manure.
Distributed everywhere. To litter all crops, roadsides, no tillage lands.