Crossword puzzle clue "spiny blue flowered plant"

(Greek) a plant of the genus Eryngium, sea holly, reputed to be an aphrodisiac, also ERINGO, ERYNGIUM

a Mexican herb with edible seeds

an aromatic bitter-tasting labiate herb native to the Mediterranean region

a tincture obtained from mountain tobacco used for bruises, sprains etc.

a garden plant with waxy leaves and ornamental flowers

a medicinal plant, aka thoroughwort, thought to heal fractures

either of two plants (greater celandine and lesser celandine) supposed to flower when the swallows came, and to perish when they went