Deanna and Campos identified this chili pepper fossil in the CU Boulder Museum of Natural History collections by the unique shape of its calyx teeth: spikes on the end of the fruiting stem that hold on to the pepper.

Source: https://phys.org/news/2023-04-forgotten-colorado-fossils-rewrite-evolutionary.html

So you slice off the stem end just below the calyx, the little cap.

Source: https://www.salon.com/2023/05/13/maya-kaimal-tells-how-to-get-indian-flavor-every-day-with-ingredients-you-already-have/