| Family | Fabaceae (alt. Leguminosae) |
| Subfamily | Faboideae |
| Tribe | Galegeae |
| Subtribe | Astragalinae |
| Scientific name | Astragalus sinicus L. |
| Synonyms | Astragalus lotoides Lamarck; Astragalus nankotaizanensis Sasaki; Astragalus nokoensis Sasaki; Astragalus sinicus L. var. macrocalyx Ulbrich |
| Common name | (Japanese common name) genge (ゲンゲ, 紫雲英 [Japanese pronunciation of Chinese common name]), renge-sou (レンゲソウ, 蓮華草 [meaning: lotus flowers weed]) |
| (English common name) Chinese milk vetch | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] China, Taiwan, Vietnam | |
| Habitat | Rice paddy, farm yard, field |
| Chromosomal number | 2n=16 |
| Description | Plants 10-25cm tall. Leavelets 9-11, each 6-20mm long, 3-15mm wide. Flowers purple 12mm long, flowering in April to May. Winter annual plants. |
| Reference | Astragalus sinicus L. |
| Process for producing interferon inducers (US Patent 4469685/1984) | |
| Method of isolating soyasaponins (US Patent 4594412/1986) | |
| Triterpene compositions and methods for use thereof (US Patent 6444233/2002) | |
| Cultured plant cell gums for food, pharmaceutical, cosmetic and industrial applications (US Patent 6350594/2002) | |
| Methods for transformation of plants, transformed plants and processes for preparation of polyesters (US Patent 6620601/2003) | |
| Nucleotide sequences encoding anthranilate synthase (US Patent 6563025/2003) | |
| Triterpene compositions and methods for use thereof (US Patent 6962720/2005) | |
| Triterpene compositions and methods for use thereof (US Patent 7105186/2006) | |
| Methods of protecting plants from pathogenic fungi and nematodes (US Patent 7301069/2007) | |
| Transgenic high tryptophan plants (US Patent 7217865/2007) | |
| Note | Naturalized plants (first recorded in 1709). |
| April 2006 at open field in Kyushu |
April 2006 at open field in Kyushu |
April 2006 at open field in Kyushu |