| Family | Euphorbiaceae |
| Scientific name | Euphorbia pekinensis Ruprecht |
| Synonyms | Euphorbia pekinensis Ruprecht var. onoei (Franchet & Savatier) Makino; Tithymalus pekinensis (Ruprecht) Hara var. ibukiensis (Hurusawa) Hara; Tithymalus pekinensis (Ruprecht) Hara var. onoei (Franchet & Savatier) Hara |
| Common name | (Japanese common name) taka toudai [tall candlestand weed]] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Chromosomal number | 2n=24 |
| Description | Plants electing 20-70cm. Leaves 2.5-8cm length, 6-12mm width. Flowers flowering in June to July. Perennial plants. |
| Reference | Euphorbia pekinensis Rupr. |
| Method for manufacturing a tonic composition for man and other animals (US Patent 4059695/1977) | |
| Composition and method for narcotics withdrawal (US Patent 4647460/1987) | |
| Herbal composition for the treatment of alopecia (US Patent 6495174/2002) | |
| Composition for preventing and treating type I allergy (US Patent 7211567/2007) | |
| Herbal suppositories (US Patent 20020031559) |
| July 2007 at lowland forest edge |
July 2007 at lowland forest edge |
July 2007 at lowland forest edge |
| June 2005 at high marsh | July 2005 at mountane field | July 2005 at mountane field |