Ketsumeishi (Sicklepod) - right (85 R)

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Uemura 04-23-2009 085.jpg

Museum number 85
Uemura number / title ; "Haze-some 25"
Folder location 1st shelf
Sample location right (85 R)
Fiber type silk
Color yellow ocher
Dyestuff (Japanese common name) 決明子 : Ketsumeishi
Dyestuff (English common name) Sicklepod or Chinese senna
Dyestuff (botanical name) Senna obtusifolia (L.) H.S. Irwin et Barneby (Cassia obtusifolia L.)
Plant part seed /dried
Dyestuff extraction boiled in water
Auxiliary agent in dye bath -
Mordant iron
Other auxiliary agent -
Uemura's notes Even if mordanted with iron, the dyed color would not become black. From the perspective of study of natural dyeing, the characteristics of this plant are fairly similar to those of Eulalia. The dyestuff used in this experiment came from China.
Uemura's date Kyoto