| Family | Styracaceae |
| Scientific name | Styrax japonicus Siebold & Zuccarini |
| Synonyms | Cyrta japonica (Siebold & Zuccarini) Miers; Styrax bodinieri H. Léveillé. Styrax japonica Siebold & Zuccarini var. macrophylla Nakai ex Hanbury; Styrax seminatus Farges |
| Common name | (Japanese common name) ego-no-ki [bitter tree] |
| (English common name) Japanese snowbell | |
| Distribution | (Japan) Hokkaido (Hidaka region), Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Philippines, Vietnam, Laos | |
| Chromosomal number | 2n=40 |
| Description | Plants 7-15m. Leaves 4.5-8cm length. Flowers white corollas 1.5-2cm, flowering in May to June. Deciduous. Arbor trees. |
| Reference | Styrax japonicus Siebold & Zucc. |
| Styrax japonicus Siebold & Zuccarini | |
| Herbicidal compositions (US Patent 4265654/1981) | |
| Herbicidal composition and herbicidal processes (US Patent 4552584/1985) |
| May 2007 at forest edge |
May 2007 at forest edge |
May 2007 at forest edge |
| May 2007 at forest edge |
May 2007 at forest edge |