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UMass Extension Weed Herbarium
 

Common Name: redroot pigweed, carelessweed
Scientific Name: Amaranthus retroflexus L.
Family Name: Amaranthaceae - Amaranth Family

Identification Notes:

life cycle - introduced annual, reproducing from seed

stems - upright, very hairy, branched growth habit

leaves - alternate, ovate, sometimes purple below leaves

flowers - small, green flower; terminal panicles, compact, stiff, bristly seedhead 1, seedhead 2

Images:

Amaranthus retroflexus thumbnail 1 Amaranthus retroflexus thumbnail 2 Amaranthus retroflexus thumbnail 3 Amaranthus retroflexus thumbnail 4
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