| Scientific name | Thermopsis lupinoides (L.) Link |
| Synonyms | Sophora fabacea Pallas; Sophora lupinoides L.; Thermopsis fabacea (Pallas) de Candolle |
| Common name | (Japanese common name) sendai-hagi [lespedeza like plant which occurs around boat stand] |
| (English common name) bush pea | |
| Distribution | (Japan) Hokkaido, Honshu (north of Toyama Prefecture) |
| (Other nations) Russia (Kamchatka, Sakhalin), Korea, China, USA | |
| Chromosomal number | 2n=18 |
| Description | Plants electing 40-80cm tall. Leaves 3 leaflets each 3.5-7cm long, 1.5-4cm wide. Flowers yellow, flowering in May to August. Perennial plants. |
| Reference | Thermopsis lupinoides (L.) Link |
| April 2008 at Koishikawa Botanical Garden |
April 2008 at Koishikawa Botanical Garden |
April 2008 at Koishikawa Botanical Garden |
| April 2008 at Koishikawa Botanical Garden |