- any of certain plants that yield a red dye, as the bloodroot and certain plants belonging to the genus Lithospermum, of the borage family.
- the dye itself.
- any of several North American boraginaceous plants of the genus Lithospermum, esp L. canescens, that yield a red dye
- any of several other plants that yield a reddish dye, esp the bloodroot (red puccoon)
- the dye from any of these plants
