| Family | Boraginaceae |
| Subfamily | Boraginoideae |
| Scientific name | Omphalodes krameri Franchet & Savatier |
| Synonyms | Omphalodes krameri Franchet & Savatier forma alba (T. Itô) H. Hara |
| Common name | (Japanese common name) ruri-sou (ルリソウ, 瑠璃草 [meaning: lapis lazuli weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (north of Central region) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants electing 20-40cm tall, hairy. Leaves 6-12cm long, 2-4cm wide. Flowers blue or marely white (forma alba) ca. 1-1.5cm across, pedicels 1-1.5cm long, flowering in April to June. Perennial plants. |
| Reference | Omphalodes krameri Franch. & Sav. |
| May 2009 at Karizawa Botanical Garden |
May 2009 at Karizawa Botanical Garden |
May 2009 at Karizawa Botanical Garden |
| May 2009 at Karizawa Botanical Garden |