Why Chestnut Flowers Smell the Way They Do — Phenethylamine, Carrion Mimicry, and Pollination

The sharp, animal smell of chestnut flowers in June is not an accident. It is phenethylamine — the same compound found in rotting fish and fermented food — deployed to attract flies and beetles as pollinators. The chemistry, the ecology, and why a single chestnut tree rarely produces fruit.

source https://www.senteiyasora.com/en/post/why-chestnut-flowers-smell-the-way-they-do-phenethylamine-carrion-mimicry-and-pollination