Amaranthus tuberculatus

Amaranthus tuberculatus
1913 illustration
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Amaranthus
Species:
A. tuberculatus
Binomial name
Amaranthus tuberculatus
(Moq.) J.D.Sauer
Synonyms
  • Acnida altissima Moq. nom. inval.
  • Acnida cannabina var. prostrata (Uline & W.L. Bray) Fernald
  • Acnida cannabina var. subnuda (S. Watson) Fernald
  • Acnida concatenata (Moq.) Small
  • Acnida subnuda (S.Watson) Standl.
  • Acnida tamariscina var. concatenata (Moq.) Uline & W.L.Bray
  • Acnida tamariscina var. prostrata Uline & W.L.Bray
  • Acnida tamariscina var. subnuda (S.Watson) J.M.Coult.
  • Acnida tamariscina var. tuberculata (Moq.) Uline & W.L.Bray
  • Acnida tuberculata Moq.
  • Amaranthus altissimus Riddell nom. inval.
  • Amaranthus ambigens Standl.
  • Amaranthus cannabinus var. concatenatus Moq.
  • Amaranthus rudis J.D.Sauer
  • Montelia tamariscina (Nutt.) A. Gray

Amaranthus tuberculatus, commonly known as roughfruit amaranth, rough-fruited water-hemp, tall waterhemp, or common waterhemp, is a species of flowering plant. It is a summer annual broadleaf with a germination period that lasts several months. Tall waterhemp has been reported as a weed in 40 of 50 U.S. states.