familyChenopodiaceae
genusChenopodium
subgenusChenopodium subg. Chenopodium
subsectionChenopodium subsect. Polysperma
speciesChenopodium polyspermum
Chenopodium polyspermum var. acutifolium
Fl. Helv. 2: 259. 1828.
Introduced
Basionym: Chenopodium acutifolium Smith Comp. Fl. Brit., 42. 1 800
Treatment appears in FNA Volume 4. Treatment on page 286.
Plants upright (proximal branches often nearly prostrate). Leaf blades becoming red at maturity, apex usually acute. Inflorescences condensed, spikelike panicles, terminal and axillary.
Phenology: Fruiting summer–fall.
Habitat: Moist disturbed soils, gardens, waste areas, alluvial plains
Elevation: 10-500 m
Distribution
Introduced; N.B., Ont., Que., Sask., Maine, Mass., Mich., N.Y., Oreg., Wis., native to Europe, n Asia, introduced in many other regions of the world.
Discussion
Selected References
None.
Lower Taxa
None.