Amaranthus spinosus

(redirected from Thorny pigweed)
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Noun1.Amaranthus spinosus - erect annual of tropical central Asia and Africa having a pair of divergent spines at most leaf nodesAmaranthus spinosus - erect annual of tropical central Asia and Africa having a pair of divergent spines at most leaf nodes
Amaranthus, genus Amaranthus - large widely distributed genus of chiefly coarse annual herbs
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests