| Family | Myrsinaceae (also placed in Primulaceae) |
| Scientific name | Lysimachia tanakae Nakai |
| Synonyms | none |
| Common name | (Japanese common name) miyama-ko-nasubi (ミヤマコナスビ, 深山小茄子 [meaning: mountain small eggplant weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kii Peninslar), Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Mountane forest edge |
| Chromosomal number | unknown |
| Description | Plants creeping. Leaves 1-2cm long, 1-2cm wide. Flowers yellow corollas 10-13mm, flowering in May to June. Perennial plants. |
| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |