Canarina campanulata.
Botanical name:
Canarina campanulata Linn. Campanulaceae.
Canary Islands. The fleshy capsule, roots and young shoots are said to be edible.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.
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Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.