Mad honey

Rhododendron ponticum, R. luteum

Honey from rhododendron flowers contains grayanotoxins. Small amounts are used in local tradition; larger amounts cause poisoning.

Origin
Turkey (Black Sea coast)
Colour
80 mm · light amber
Taste
bitter, sharp
Plant
Rhododendron ponticum, R. luteum · rhododendron →

Colour varies by year and place; the value given is typical.

Xenophon described Greek soldiers poisoned by this honey in 401 BC in his Anabasis.