| Family | Asteraceae (alt. Compositae) |
| Scientific name | Aster savatieri Makino var. pygmaeus Makino |
| Synonyms | Aster yokusaianus Kitamura ex H. Hara; Gymnaster pygmaeus (Makino) Kitamura; Gymnaster savatieri (Makino) Kitamura subsp. pygmaeus (Makino) Kitamura; Miyamayomena koraiensis (Nakai) Kitamura subsp. pygmaea (Makino) Kitamura |
| Common name | (Japanese common name) shunju-giku (シュンジュギク, 春寿菊 [meaning: Spring happiness aster]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Aichi Prefecture, Mie Prefecture), Shikoku (Kochi Prefecture) |
| (Other nations) none | |
| Habitat | Mountane serpentine rocks |
| Chromosomal number | 2n=18 |
| Description | Plants electing ca. 10cm tall. Flowers white or pale blue head 13-23mm across, involucres ca. 3mm long, flowering in April to May. Perennial plants. |
| Note | Endemic to Japan. |
| April 2008 at Kochi Prefecture Makino Botanical Garden |
April 2008 at Kochi Prefecture Makino Botanical Garden |
April 2008 at Kochi Prefecture Makino Botanical Garden |
| April 2008 at Kochi Prefecture Makino Botanical Garden |