Water-hemp or waterhemp is a common name for several plants and may refer:
In the genus ''
Amaranthus
''Amaranthus'' is a cosmopolitan group of more than 50 species which make up the genus of annual or short-lived perennial plants collectively known as amaranths. Some names include " prostrate pigweed" and " love lies bleeding". Some amaranth ...
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Amaranthus australis
''Amaranthus australis'' is also known as southern amaranth or southern water-hemp. The plant usually grows from in height, though some have been known to grow up to high. The stems can be up to 30 cm in diameter. It is a herbaceous annual ...
'' - southern water-hemp
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Amaranthus cannabinus'' - salt-marsh water-hemp,
tidal marsh
A tidal marsh (also known as a type of "tidal wetland") is a marsh found along rivers, coasts and estuaries which floods and drains by the tidal movement of the adjacent estuary, sea or ocean. water-hemp or water-hemp pigweed
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Amaranthus floridanus'' - Florida water-hemp
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Amaranthus tuberculatus
''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 mont ...
'' - rough-fruit water-hemp or tall water-hemp
In other genera:
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Ayapana triplinervis
''Ayapana triplinervis'' (aya-pana, water hemp) is a tropical American shrub in the family Asteraceae. This plant has long slender leaves which are often used in traditional medicine. The flowers are pale pink and the thin, hairless stem is redd ...
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{{Plant common name