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(Firstt upload on April 22 2017. Last on February 28 2019) [ 日本語 | English ]

Citrus trifoliata L.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Citrus L. (ミカン)
Karatach (カラタチ, 枳殻/枸橘), trifoliate orange, Japanese bitter-orange, hardy orange or Chinese bitter orange
Lifeform: deciduous shrub ≈ 2-4 m tall
Origin: upstream of the Yangtze River, China

introduced to Japan before 8th century

Leaf: compound, becoming thorns ()
Flower: white
Fruit: green → yellow
Seed dispersal: animal
Use: hedge, fruit = fruit liquor and medicine
Synonyms:

Poncirus trifoliata (L.) Raf., often used

索引

Citrus trifoliata in Japan


ST1 ST2 ST3
[1] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017. [2/3] between Okachimachi and Ichigaya, Tokyo, on January 8 2019.

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