| Family | Adoxaceae (also placed in Caprifoliaceae) |
| Scientific name | Viburnum sieboldii Miquel |
| Synonyms | none |
| Common name | (Japanese common name) goma-gi (ゴマギ, 胡麻木 [meaning: sesame tree]) |
| (English common name) Siebold's arrowwood | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) none | |
| Chromosomal number | 2n=16, 32 |
| Description | Plants 3-7m tall. Leaves 6-15cm long. Flowers white corollas each 9mm, inflorescences 7-10cm, flowering in April to May. Deciduous. Subarbor trees. |
| Reference | Viburnum sieboldii Miq. |
| May 2007 at mountane forest edge |
May 2007 at mountane forest edge |
May 2007 at Tsukuba Botanical Garden |
| May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
| December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |