Itadori (Japanese knotweed) - right (319 R)
Revision as of 10:13, 8 June 2013 by (username removed)
| Museum number | 319 |
|---|---|
| Uemera number / title | 一; 櫨染 廿五 "Haze-some 25" |
| Folder location | 4th shelf |
| Sample location | right (319 R) |
| Fiber type | silk |
| Color | brown |
| Dyestuff (Japanese common name) | 虎杖 : Itadori |
| Dyestuff (botanical name) | Fallopia japonica (Houtt.) Ronse Decr. var. japonica (Polygonum cuspidatum Siebold et Zucc.) |
| Plant part | root / dried (?) |
| Dyestuff extraction | boiled in water |
| Auxiliary agent in dye bath | - |
| Mordant | alum |
| Other auxiliary agent | - |
| Uemera's notes | This plant is not a species of Suiba (Rumex acetosa L.). Suiba and Gishigishi (Rumex japonicus Houtt.) are same species. |
| Uemera's date | - |