Common name: Redroot Amaranth
Amaranthus retroflexus L. APNI*
Description: Erect annual to c. 1 m high, hairy, with the base of the stem and the taproot red.
Leaves ovate to lanceolate, to c. 7 cm long, acute; petiolate.
Inflorescence terminal with branches in the upper leaf axils. Bracts spinescent, c. 6 mm long. Perianth segments 5, oblong, c. 3 mm long, mucronate or entire when young, obtuse and notched at maturity. Stamens 5. Ovary nearly as long as perianth, circumsciss. Weed of roadsides and cultivation.
Distribution and occurrence: Native to South America.
NSW subdivisions: *CC, *CT, *ST, *NWS, *CWS, *SWS, *NWP, *SWP
Other Australian states: *Qld *Vic. *S.A.
Text by S. W. L. Jacobs & L. Lapinpuro
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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