| Family | Myrsinaceae (also placed in Primulaceae) |
| Scientific name | Lysimachia barystachys Bunge |
| Synonyms | none |
| Common name | (Japanese common name) noji-tora-no-o (ノジトラノオ, 野路虎尾 [meaning: field roadside tiger tail]) |
| (English common name) Manchurian yellow loosestrife | |
| Distribution | (Japan) Honshu (west of Kanto region), Kyushu |
| (Other nations) Russia, Korea, China | |
| Habitat | Wet field |
| Chromosomal number | 2n=24 |
| Description | Plants 70-100cm tall. Leaves 6-10cm long, 8-15mm wide. Flowers inflorescences 10-30cm long and 2-3cm across, pedicels 4-7mm long, white corollas 8-10mm across, flowering in June to July. Perennial plants. |
| Reference | Lysimachia barystachys Bunge |
| Note | There are various natural hybrids with Lysimachia clethroides Duby and Lysimachia fortunei Maximovicz. |
| June 2007 at Ushiku Forest Park |
June 2007 at Ushiku Forest Park |
June 2007 at Ushiku Forest Park |
| June 2007 at Ushiku Forest Park |
June 2007 at Ushiku Forest Park |