puccoon

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of several North American plants of the genus Lithospermum, having orange or yellow flowers and roots that yield a red dye.
2. n. Any of several plants, such as the bloodroot, whose roots yield a reddish dye. Also called gromwell.
3. n. The dye from any of these plants.

Century Dictionary and Cyclopedia

1. n. The bloodroot, Sanguinaria Canadensis: called red puccoon. See bloodroot, 2.
2. n. One of three or four American species of Lithospermum, with bright golden-yellow nearly salver-shaped flowers, and hairy surfaces. L. canescens, the hoary puccoon, is the puccoon of the Indians. L. hirtum, a rougher plant, is the hairy puccoon.

Wiktionary

1. n. botany Any one of several plants yielding a red pigment which is used by the North American Indians, such as the bloodroot and two species of Lithospermum (L. hirtum and L. canescens).
2. n. The red pigment (dye obtained from these plants.

GNU Webster's 1913

1. n. (Bot.) Any one of several plants yielding a red pigment which is used by the North American Indians, as the bloodroot and two species of Lithospermum (Lithospermum hirtum, and Lithospermum canescens); also, the pigment itself.

WordNet 3.0

1. n. perennial plant of eastern North America having hairy foliage yielding a red or yellow pigment
2. n. perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant