Amaranthus (Pigweed)

(Amaranthus) · Focus composite · 9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts Species not yet identified

(Amaranthus) · 10/19/1977 · Bermuda Botanical Gardens, Bermuda Species not yet identified

(Amaranthus) · 9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts · ≈ 10 × 13″ (26 × 31 cm) Species not yet identified

(Amaranthus) · 9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts · ≈ 1 × 2′ (41 × 62 cm) Species not yet identified

(Amaranthus) · 9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts · ≈ 1 × 1½′ (41 × 53 cm) Species not yet identified

(Amaranthus) · 9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts · ≈ 6 × 9″ (15 × 23 cm) Species not yet identified

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Caryophyllidae	Cacti, many other succulents, carnivorous plants, and leadworts
Order	Caryophyllales	Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants
Family	Amaranthaceae	Amaranth family
Genus	Amaranthus	Contraction of Greek ἀμάραντος (amarantos), “unfading,” with ἄνθος (anthos), “flower”