| Family | Rubiaceae |
| Scientific name | Galium odoratum (L.) Scopoli |
| Synonyms | Asperula odorata L. |
| Common name | (Japanese common name) kurumaba-sou (クルマバソウ, 車葉草 [meaning: wheel leaved weed]) |
| (English common name) sweet woodruff | |
| Distribution | (Japan) Hokkaido, Honshu |
| (Other nations) Russia, Korea, Caucasus, Kazakhstan, Turkey, Europe | |
| Habitat | Forest |
| Chromosomal number | 2n=22 |
| Description | Plants electing 25-40cm tall, non hair. Leaves 6-10 verticillate, each leaflet 1.5-4cm long, 3-13m wide. Flowers white corollas 4-5mm across, flowering in May to July. Perennial plants. |
| Reference | Galium odoratum (L.) Scop. |
| May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
| May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |