alkanet

noun9

1. •
   Any member of the species Alkanna tinctoria, a plant whose root is used as a red dye.
2. •
   Other plants of the genus Alkanna.
3. •
   Common bugloss (Anchusa officinalis).
4. •
   Yellow alkanet (Anchusa ochroleuca).
5. •
   False alkanet (Cynoglottis barrelieri, syn. Anchusa barrelieri).
6. •
   Bastard alkanet or field gromwell (Lithospermum arvense).
7. •
   Green alkanet (Pentaglottis sempervirens), a blue-flowered plant with evergreen leaves.
8. •
   Puccoon (Sanguinaria canadensis).
9. •
   The dyeing matter extracted from the roots of the plant with water or oil, used for cotton especially but also silk and wool, giving a deep red colour.