Amaranthus tricolor, Linnaeus, 1753

Das, Saubhik, 2013, Infraspecific variability of Amaranthus tricolor (Amaranthaceae) in India with a new variety, Phytotaxa 88 (2), pp. 25-30 : 29

Key to the varieties of Amaranthus tricolor

1. Leaf ovate-oblong, apex emerginate, tepal apex acute, as long as or shorter than fruit .............. A. tricolor var. acutus

- Leaf usually ovate-lanceolate or deltoid–ovate, tepal apex awned, tepals much longer than fruit ............................. 2

2. Branching from base of the stem .................................................................................................. A. tricolor var. tristis

- Branching from middle of the stem ........................................................................................... A. tricolor var. tricolor