Redroot

noun

1. An eastern North American bog plant (Lachnanthes caroliana) having red roots and woolly yellow flowers.
2. A coarse cosmopolitan weed (Amaranthus retroflexus) having hairy leaves and stout terminal panicles with dense lateral spikes of green flowers.
4. The bloodroot, Sanguinaria Canadensis.
5. The field-gromwell, Lithospermum arvense.