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Amaranthus tuberculatus (Moquin-Tandon) J.D. Sauer. Common name: Inland Water-hemp. Phenology: Jul-Oct. Habitat: Swamps, bottomlands, fields, disturbed areas. Distribution: The exact boundaries of its native distribution are now obscure, perhaps approximately OH west to ND south to MS and TX.

Origin/Endemic status: Native

Taxonomy Comments: The two forms (sometimes treated as varieties or species) are discussed by Costea & Tardif (2003b) and Waselkov & Olsen (2014).

Synonymy ⓘ: = Ar, C, FNA4, GW2, K4, Mi, Mo2, NE, NY, Ok, RAB, Tn, W; > Acnida altissima (Riddell) Moq. ex Standl. — G; > Acnida altissima (Riddell) Moq. ex Standl. var. altissima — F; > Acnida altissima (Riddell) Moq. ex Standl. var. prostrata (Uline & Bray) Fernald — F; > Acnida altissima (Riddell) Moq. ex Standl. var. subnuda (S.Watson) Fernald — F; > Acnida concatenata Moq. — S, S13; > Acnida subnuda (S.Watson) Standl. — G, S; > Acnida tamariscina (Nutt.) Wood — F, G, S, S13, Tat, Tx, misapplied; > Acnida tuberculata Moq. — S13; > Amaranthus rudis J.D.Sauer — GrPl, Il, NcTx, Pa; > Amaranthus tamariscinus Nutt. — Sauer (1955), misapplied; > Amaranthus tuberculatus (Moq.) J.D.Sauer — GrPl, Pa, Sauer (1955); > Amaranthus tuberculatus (Moq.) J.D.Sauer var. prostratus (Uline & Bray) Mohlenbr. — Il; > Amaranthus tuberculatus (Moq.) J.D.Sauer var. rudis (J.D.Sauer) Costea & Tardif — Can, Costea & Tardif (2003b), Waselkov & Olsen (2014); > Amaranthus tuberculatus (Moq.) J.D.Sauer var. subnudus (S.Watson) Mohlenbr. — Il; > Amaranthus tuberculatus (Moq.) J.D.Sauer var. tuberculatus — Can, Il, Costea & Tardif (2003b), Waselkov & Olsen (2014). Basionym: Acnida tuberculata Moq. 1849

Links to other floras: = Amaranthus tuberculatus - FNA4

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FAC
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 9

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image of plant© Aidan Campos source | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷

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Horticultural Information

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