Amaranthus L.
Erect or prostrate herbs. Fruit dry, membranous Amaranthus
Bracts with long prominent or rigid points, usually exceeding the styles. Fruit circumsciss.
Bracts and bracteoles spinescent or not, less than 10 mm long
Perianth segments 5
Perianth segments obtuse or emarginate, often recurved. Stamens 5. Branches of the inflorescence short (10–15 cm long), thick. Hairy annual herb, base of plant and taproot red. Hunter River Valley. Introd. from America. Red-root Amaranth Amaranthus retroflexus