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Japanese Garden Plants
This is where to find details on plants. We don't have a lot of images, but we'll be providing articles and details as we are able. If you have materials to contribute or gaps to fill in, please let us know.

Japanese Name:karatachi, kikoku 
English Name:Japanese Bitter Orange/ Trifoliate Orange 
Latin Name:Poncirus trifoliata 
Family:Rutaceae 
Sub Type:DECIDUOUS 
Native Habitat: 
Light: 
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Last Updated:6/26/2004 
Details: This mid-size tree has long ovate leaves and can reach 5 meters (16 ft) in height. The large, white flowers have 5 petals and appear in May just before the leaves emerge. These are followed by small orange-like citrus about the size of a ping-pong ball that remains green until autumn, when it ripens to a yellow-orange color. The fruits are extremely fragrant but are not edible.

The tree has very long spines and is quite hardy so it is sometimes used as a hedge. It can also be pruned and the Japanese have sometimes it as stock for grafting other citrus plants.

There is a nice karatachi specimen outside the Japanese House and Garden in Philadelphia.




For further reference:
Kitamura, Fumio and Ishizu Yurio. Garden Plants in Japan. Tokyo: Kokusai Bunka Shinkokai, 1963, p. 127.

Richards, Betty and Kaneko, Anne. Japanese Plants: Know them and use them. Tokyo: Shufunotomo, 1989, p. 69.

 




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