Sukumo-Ai (Indigo) - left (272 L)
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| Museum number | 272 |
|---|---|
| Uemura number / title | ; "Haze-some 25" |
| Folder location | 4th shelf |
| Sample location | left (272 L) |
| Fiber type | cotton |
| Color | blue |
| Dyestuff (Japanese common name) | 蒅藍 ; Sukumo-Ai |
| Dye (English common name) | Indigo |
| Dyestuff (botanical name) | Persicaria tinctoria (Aiton) Spacn (Polygonum tinctoria Aiton) |
| Plant part | leaf / fermented |
| Dyestuff extraction | reduced in an alkaline condition bath |
| Auxiliary agent in dye bath | unspecified |
| Mordant | - |
| Other auxiliary agent | unspecified |
| Uemura's notes | This is what was called "Ai ()" in the Izumo Fdoki (), an ancient record of the culture and geography of the Izmo region, Japan, from 733 AD. What was called as Asaki-hanada () and Hanada () in ancient Japan is an indigo dyed light blue; and Koki-hanada () is indigo dyed deep blue. |
| Uemura's date | Kyoto |