Plant
Kumquat
Citrus japonica (formerly Fortunella)
Also known as: Citrus japonica, Fortunella
A small evergreen citrus tree native to southern China, producing tiny orange-shaped citrus fruits that are eaten whole — skin and all. The skin is sweet; the flesh is sour; the combination of both in a single bite is the species' distinctive eating experience. Until recently classified in its own genus *Fortunella*; molecular taxonomy has placed kumquats firmly within *Citrus*. The species name *japonica* is a 19th-century European misnomer — the plant is Chinese and was introduced to Europe via Japanese trade.
Scientific
Citrus japonica — until recently classified as Fortunella — has been merged into Citrus based on molecular phylogenetic evidence. Several principal cultivar groups:
- Nagami (oval, more sour) — the most-commercialized form
- Meiwa (round, sweeter) — the dessert form
- Marumi (round, intermediate)
- Hong Kong wild — small, mostly seed; the closest to wild ancestral kumquats
The species is unusual within Citrus in being eaten whole — peel and flesh together. The peel is sweet and aromatic; the flesh is acid. Most other citrus species require peeling first because their peels are intensely bitter and oil-rich.
Cultural
Native to southern China; cultivated in Chinese gardens for centuries. The Chinese name jīnjú (金橘, “golden tangerine”) gives the English “kumquat” through southern Chinese dialects. The species was introduced to Europe in the early 19th century via Robert Fortune, a Scottish plant collector who brought specimens from China to Europe through Japan — which is why the species was misnamed japonica despite Chinese origin.
In Chinese culture, kumquat trees are auspicious — small potted kumquats are common Lunar New Year decorations because the golden fruits suggest prosperity and the word jú (橘, tangerine/kumquat) sounds similar to jí (吉, auspicious).
Kumquat preserves, kumquat marmalade, candied kumquats, and kumquat-flavored liqueurs (the Greek Corfu kumquat liqueur is a regional specialty) are the principal processed uses.
Global production
Top producers: China, Vietnam, USA (Florida and [[berkeley|California]]), Spain, Australia. Most kumquats are now produced for the fresh-market and ornamental potted-plant trade rather than processing.
See also
Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.
- Member of: [[plants]]
- Cousin of: [[yuzu]] · [[orange]] · [[buddhas-hand]] · [[pomelo]] · [[lime]] · [[lemon]]
Sources
- Wikipedia — Kumquat
A plant entry in the 0mn1.one [[directory]].
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