Amaranthus retroflexus
A stiffly erect Amaranthus with weakly spiny bracts. Similar to Amaranthus powellii but with broadly rounded tepal apices.
Inflorescences in the Gallinas Mts., 9/10/06.
Closer view of flowers in the Gallinas Mts., 9/10/06.
A lower branch of the inflorescence & upper cauline leaf in the Gallinas Mts., 9/10/06.