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Definition of Thorny amaranth
1. Noun. Erect annual of tropical central Asia and Africa having a pair of divergent spines at most leaf nodes. 
Exact synonyms: Amaranthus Spinosus
Group relationships: Amaranthus, Genus Amaranthus
Generic synonyms: Herb, Herbaceous Plant
Group relationships: Amaranthus, Genus Amaranthus
Generic synonyms: Herb, Herbaceous Plant



