Amaranthaceae
Southern amaranth
Amaranthus australis
- Family
- Amaranthaceae
- Genus
- Amaranthus
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Common names
By language (2)
- Bangla
- অ্যামারান্থাস অস্ট্রালিস
- English
- Southern amaranth
Synonyms
- Acnida alabamensis Standl.
- Acnida australis A.Gray
- Acnida cannabina var. australis (A.Gray) Uline & W.L.Bray
- Acnida cuspidata Bertero ex Spreng.
Flowers
- In flower
- June to August (from 8 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native, Puerto Rico: native
Photos
FlowerPhoto: cft, CC0, from iNaturalist 
FlowerPhoto: Jay Horn, CC BY 4.0, from iNaturalist 
FlowerPhoto: Jay Horn, CC BY 4.0, from iNaturalist 
LeavesPhoto: Daughter Dad, CC BY 4.0, from iNaturalist 
FruitPhoto: Alex Abair, CC BY 4.0, from iNaturalist 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Will McFarland, CC BY 4.0, from iNaturalist 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Karen Guin, CC BY 4.0, from iNaturalist 
Photo: Robbie, CC BY 4.0, from iNaturalist 
Photo: Elliot Greiner, CC BY 4.0, from iNaturalist
More in Amaranthus
- Common amaranthAmaranthus retroflexusAmaranthaceae
- Purple amaranthAmaranthus caudatusAmaranthaceae
- Spiny amaranthAmaranthus spinosusAmaranthaceae
- Purple amaranthAmaranthus blitumAmaranthaceae
- Slender amaranthAmaranthus viridisAmaranthaceae
- Red amaranthAmaranthus cruentusAmaranthaceae
- Prostrate pigweedAmaranthus albusAmaranthaceae
- Joseph's-coatAmaranthus tricolorAmaranthaceae
- Mat amaranthAmaranthus blitoidesAmaranthaceae
- Slim amaranthAmaranthus hybridusAmaranthaceae
- Prince-of-Wales featherAmaranthus hypochondriacusAmaranthaceae
- Spleen amaranthAmaranthus dubiusAmaranthaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.