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Smooth Pigweed

Amaranthus hybridus L.

Amaranthaceae (Pigweed Family)

▲ seedling

▲ young plant stem

▲ ▼ young, mature plant inflorescence emerging

▲ ▼ young, mature plant

▲ ▼ mature plants

▲ ▼ mature plants

▲  mature plants, with inflorescences

Amaranthus hybridus L.; Smooth Pigweed: (Bayer Code:  AMACH; US Code AMHY)

·         Similar to redroot pigweed in appearance, but with generally smooth, almost hairless stems

·         Leaves tend to be smoother and more shiny than redroot pigweed & may be hairless or with fewer hairs

·         Inflorescences about same size as redroot pigweed, but flower clusters more slender and side branches of flower clusters longer than in redroot pigweed

·         Common in row crops

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Updated 15 January 2019