from The Century Dictionary and Cyclopedia
- n. The golden ragwort, Senecio aureus: so named on account of supposed vulnerary and other properties.
Sorry, no etymologies found.
For example, if you run around WoW, you will actually notice that a lot of the huge vegetation is nothing more than liferoot, briarthorn, and other herb types dramatically sized up.
Other common plants besides comfrey also contain pyrrolizidine alkaloids, including coltsfoot, liferoot, and borage.