Daio (family Polygonaceae) - right (308 R)
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| Museum number | 308 |
|---|---|
| Uemura number / title | ; "Haze-some 25" |
| Folder location | 4th shelf |
| Sample location | right (308 R) |
| Fiber type | silk |
| Color | brown |
| Dyestuff (Japanese common name) | 大黄 : Daio |
| Plant part | root / dried (?) |
| Dyestuff extraction | boiled in water |
| Auxiliary agent in dye bath | - |
| Mordant | lime water |
| Other auxiliary agent | - |
| Uemura's notes | Use of this plant as medicine was recorded in the Shinnhonzoukyo () from 300 BC - 200 AD, China; ; the Honzwamyo () from the Engi era (901 -923 AD) , Japan; and the Engitenyakuryo () from the Heian period, Japan. |
| Uemura's date | Kyoto |