| Family | Boraginaceae |
| Subfamily | Boraginoideae |
| Scientific name | Omphalodes laevisperma Nakai |
| Synonyms | Omphalodes krameri Franchet et Savatier var. laevisperma (Nakai) Ohwi |
| Common name | (Japanese common name) echigo-ruri-sou (越後瑠璃草, エチゴルリソウ [meaning: Echigo lapis lazuli weed (Echigo = an old name of Niigata prefecture)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Niigata Prefecture, Toyama Prefecture) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 20-40cm. Leaves 7-15cm length. Flowers blue or purple 1cm, flowering in April to June. Perennial plants. |
| April 2007 at Yukiguni Botanical Garden |
April 2007 at Yukiguni Botanical Garden |
April 2007 at Yukiguni Botanical Garden |
| April 2007 at Yukiguni Botanical Garden |
April 2007 at Yukiguni Botanical Garden |