North American plant, Lachnanthes caroliniana (or L. tinctoria), having sword-shaped leaves, woolly, yellowish flowers, and a red root
any of various other plants having red roots, as the alkanet, Alkanna tinctoria, pigweed, Amaranthus retroflexus, and New Jersey tea, Ceanothus americanus
a perennial herb (Lachnanthes caroliniana syn. L. tinctoria) of the eastern United States whose red root is the source of a dye
pigweed (Amaranthus retroflexus) that bears greenish flowers in dense spikes with bracts almost twice as long as the sepals