(First upload on April 22 2017. Last on February 28 2019) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Rutaceae (ミカン科) > Citrus trifoliata
Citrus L. (ミカン)Karatach (カラタチ, 枳殻/枸橘), trifoliate orange, Japanese bitter-orange, hardy orange or Chinese bitter orangeLifeform: deciduous shrub ≈ 2-4 m tall Origin: upstream of the Yangtze River, China introduced to Japan before 8th century |
Leaf: compound, becoming thorns (針) Flower: white Fruit: green → yellow Seed dispersal: animal Use: hedge, fruit = fruit liquor and medicine Synonyms: Poncirus trifoliata (L.) Raf., often used |
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[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.