Plants annual, glabrous, glabrescent, or pubescent. Bracts not enfolding flower, not leaflike, narrowly lanceolate to subulate-linear, margins entire, plane or indistinctly undulate at margins. Pistillate flowers: tepals (4–)5, spatulate or obovate-elliptic, sometimes only outer tepals distinctly spatulate. Utricles dehiscence regularly circumscissile (indehiscent only in Amaranthus greggii).

Distribution

sw North America.

Discussion

Species 4 (4 in the flora).

Selected References

None.

Lower Taxa

Amaranthus arenicola, Amaranthus greggii, Amaranthus palmeri, Amaranthus watsonii