Publication note
Publish as product profile: current validated sources do not fully document ingredients and/or method fields.
What it is
A dark-violet Neapolitan plum, also called settembrina nera, named for its resemblance to small firecrackers.
Origin place card
The Neapolitan area, especially the Flegrean area where traditional plum varieties survive.
Verified history
Historical depth remains limited; the direct-read source supports identity/core product description but not deeper archival history.
Ingredients
Ingredients not fully documented in validated sources.
Method
Method/process not fully documented in validated sources.
Why travel for it
Find it in Flegrean/Neapolitan local markets during September before modern varieties blur the names.
Recreate-it pathway
Do not publish jam quantities without a preserve source; mention confetture as documented use.
Editorial warning
Publish as product profile: current validated sources do not fully document ingredients and/or method fields.
Fieldwork questions
Is the name still understood by younger sellers? Which markets still ask for settembrina nera?
Photo brief
Violet plums beside an old Naples-market sign and a copper jam pan.