| Family | Asteraceae (alt. Compositae) |
| Scientific name | Solidago virgaurea L. subsp. gigantea (Nakai) Kitamura |
| Synonyms | Solidago decurrens Loureiro var. gigantea (Nakai) Ohwi; Solidago mirabilis Kitamura; Solidago virgaurea L. subsp. leiocarpa (Bentham) Hultén var. gigantea Nakai; Solidago virgaurea L. var. gigantea Nakai |
| Common name | (Japanese common name) oh-aki-no-kirin-sou [large autumn giraffe weed] |
| (English common name) none | |
| Distribution | (Japan) Japan Sea side of Hokkaido (southwestern area) and Honshu (northern area) |
| (Other nations) none | |
| Chromosomal number | 2n=18 |
| Description | Plants electing 60-80cm. Leaves 10-15cm length, 7-10cm width. Flowers involucral segments 3-4 lines, 5mm, flowering in July to October. Perennial plants. |
| Reference | Solidago virgaurea L. |
| Note | Native to Japan. |
| November 2007 at mountane roadside in Niigata Prefecture |
November 2007 at mountane roadside in Niigata Prefecture |
November 2007 at mountane roadside in Niigata Prefecture |