Plant · GBIF taxon 8577467
rough-fruit amaranth
Amaranthus tuberculatusAlso known as Rough-Fruited Water-Hemp, Tall Waterhemp, Common Waterhemp
Rough-fruit amaranth grows rapidly in agricultural fields and river floodplains across much of North America. It is dioecious, meaning male and female flowers grow on separate individual plants. A single female plant can produce over one million tiny seeds, helping populations spread quickly and adapt to intensive agricultural management.
AnnualBroadleafFast-Growing
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Autotrophic (Photosynthetic)
Predators
- Insects
- Granivorous Birds
- Small Mammals
ThreatsHerbicide resistance management, agricultural weed control
HabitatsAgricultural fields, wetlands, riverbanks, disturbed soil
Life span1 year (Annual)
Size / weightNot available
Classification
- OrderCaryophyllales
- FamilyAmaranthaceae
- GenusAmaranthus
- SpeciesAmaranthus tuberculatus
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Safe to observe at a normal distance.
Responsible observation
- Field Identification: Look for smooth, hairless stems to distinguish it from redroot pigweed.
- Sex Determination: Examine flower heads to identify distinct male and female plants.
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