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Alternanthera philoxeroides
Source: University of Newcastle [ 2 ]

The pigweed family which is comprised of various trees, vines and herbs, which are found mainly in the favourable climates of Africa and the Americas. The genus Amaranthus of this family includes several species of common weeds (the Amaranths ), which are characterized by a red pigmentation of the stems and leaves. Examples include the green amaranth ( A. retroflexus ), the various tumbleweeds and pigweed. [ 1 ]


[1] The Encyclopaedia Britannica Online :
[2] The Geomorphology and Quaternary Science Research Unit, School of Geosciences, University of Newcastle, Callaghan, NSW, 2083, Australia :


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