Checklist » Amaranthaceae » Amaranthus tuberculatus
Last updated 7/9/2007 by David Giblin.
Amaranthus tuberculatus (Moq.) J.D. Sauer[FNA4, HC2]
rough-fruited waterhemp, tall waterhemp

Publication: Madroño. 13: 18. 1955.

Origin: Introduced from the Great Plains of the central United States

selected vouchers: WTU

Notes: Reported from Klickitat Co. by KZ (Madrono 1955); reported from King Co. by Jacobson (2001). Taxonomy follows FNA.


» Costea, M. and D. A. DeMason. 2001. Stem morphology and anatomy in Amaranthus L. (Amaranthaceae): Taxonomic significance. J. Torrey Bot. Soc. 128: 254-281.
» Henrickson, J. 1999. Studies in New World Amaranthus (Amaranthaceae). Sida 18: 783-807.
» AJ = Jacobson, A. L. 2001. Wild Plants of Greater Seattle. Publ. by the author, Seattle. 494 pp.
» Mosyakin, S. L. and K. R. Robertson. 1996. New infrageneric taxa and combinations in Amaranthus L. (Amaranthaceae). Ann. Bot. Fenn. 33: 275-281.
» Sauer, J. D. 1955. Revision of the dioecious amaranths. Madroño 13: 5-46.
» Sauer, J. D. 1972. The dioecious amaranths: A new species name and major range extensions. Madroño 21: 426-434.
Synonyms & Misapplied Names:
Acnida altissima Riddell ex Moq.
Acnida altissima Riddell ex Moq. var. prostrata (Uline & W.L. Bray) Fernald
Acnida altissima Riddell ex Moq. var. subnuda (S. Watson) Fernald
Acnida concatenata (Moq.) Small
Acnida subnuda (S. Watson) Standl.
Acnida tamariscina (Nutt.) Alph. Wood
Acnida tamariscina (Nutt.) Alph. Wood var. concatenata (Moq.) Uline & W.L. Bray
Acnida tamariscina (Nutt.) Alph. Wood var. tuberculata (Moq.) Uline & W.L. Bray
Acnida tuberculata Moq.
Amaranthus ambigens Standl.
Amaranthus rudis J.D. Sauer[KZ99]
Amaranthus tamariscinus Nutt.