noun

1. Alkanna tinctoria, a plant whose root is used as a red dye.

2. The dyeing matter extracted from the plant, giving a deep red colour.

3. Other plants of the genus Alkanna.

4. Anchusa officinalis (common bugloss), a similar plant.

5. Anchusa ochroleuca (yellow alkanet).

6. Anchusa barrelieri (false alkanet).

7. Lithospermum arvense (bastard alkanet or field gromwell).

8. Pentaglottis sempervirens (green alkanet), a blue-flowered plant with evergreen leaves.

9. Puccoon (Sanguinaria canadensis).