Amaranths
Amaranths (Amaranthus) are a widely distributed and diverse group of flowering plants. Several species within this genus are important crops that have been cultivated by humans for millennia. The leaves, seeds, roots, and stems of various species are all eaten. Many amaranths are also cultivated ornamentally, as they are hardy, quick-growing, and produce large clusters or spikes of small but colorful flowers. Unfortunately, due to their hardiness and ability to colonize disturbed areas, several amaranths species have also become pesky invasives in places where they've been introduced.