Amaranthus retroflexus


Amaranthus: From the Greek a- 'without' or 'lacking' and maraino 'to fade', meaning unfading and referring to the durability of the flowers of some species

Common Name(s)




Flora Category

Vascular - Exotic

NVS Species Code


The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

Structural Class

Dicotyledonous Herbs other than Composites

Similar Taxa

Taproot shallow, reddish. Stems erect, up to 1.8 m high, rough, branching freely if not crowded. Leaves dull green, usually at least 15 cm long when mature, ovate to lanceolate. Flowers green small, in thick, stiff, panicle-like terminal spikes with many short crowded lateral branches. Bracts much longer than sepals and utricles. Sepals longer than utricle, curved, rounded, often with small notch at end (Wax, Fawcett and Isely 1981).

Flower Colours


Year Naturalised



Tropical America

Seeds shiny black, lens-shaped, ovate, notched at the narrow end, about 1mm in diameter (Wax, Fawcett and Isely 1981).

This page last updated on 18 Jan 2010