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Botanical name
Common name
Fiber
Formation aid
Dye
Papers
Juyeopnamu
Language:
Korean
Local scripture:
주엽나무
Botanical classification
Gleditsia sinensis Lam.
Order:
Fabales
Family:
Caesalpiniaceae
Synonyms:
Gleditsisa horrida
Willd.
Gleditsisa macracantha
Desf.
Gleditsisa officinalis
Hemsl.
Plant growing area
China
(Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan, Zhejiang).
Grows on mountain slopes, forests, valleys, near roads; 200-2500 m.
Use area in the manufacture of paper
China, Korea.
Plant cultivation and use
Gleditsia sinensis is a tree of average size but which can reach 30m in height.
Thorns of Gleditsia sinensis are used in China and Korea for their medicinal properties.
China:
Gleditsia sinensis would be one of the 50 fundamental herbs in traditional Chinese medicine.
The plant is used as a detergent in China for 2000 years. The pods are ground into powder which is used as soap.
The powder was used to clean the paintings, but also to size the paper, or mixed with the mounting paste.
It is also possible to make a paste for printing patterns on the surface of paper. The recipe is to reduce the pod into powder to make a kind of glue which is mixed with croton oil (
Codiaeum variegatum
) and colors.
Vernacular names
Chinese
Zao jia
皂荚
Japanese
Saikachi
さいかち
Shinasaikachi
シナサイカチ
Korean
Juyeopnamu
주엽나무
French
Févier
English
Chinese honey locust
Soap bean
Soap pod
Used part of the plant:
Fruit
Use for paper making:
Sizing agent
Dyeing aid