| Family | Boraginaceae |
| Scientific name | Cynoglossum furcatum Wallich var. villosulum (Nakai) Riedl |
| Synonyms | Cynoglossum villosulum Nakai; Cynoglossum zeylanicum (Vahl ex Hornemann) Thunberg ex Lehmann var. villosulum (Nakai) Ohwi; Cynoglossum zeylanicum auct., non (Vahl ex Hornemann) Thunberg ex Lehmann |
| Common name | (Japanese common name) oh-ruri-sou [large lapis lazuli weed] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China | |
| Chromosomal number | 2n=24 |
| Description | Plants 60-90cm tall. Leaves 10-15cm long. Flowers inflorescences 10-20cm long, pale blue purple corollas ca. 4mm, flowering in July to September. Winter annual plants. |
| Reference | Cynoglossum furcatum Wall. |
| Cynoglossum furcatum Wallich in Roxburgh |
| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |