| Family | Fabaceae (alt. Leguminosae) |
| Subfamily | Faboideae |
| Tribe | Indigofereae |
| Scientific name | Indigofera trifoliata L. |
| Synonyms | Indigofera glandulifera Hayata; Indigofera liukiuensis Makino; Indigofera multicaulis de Candolle |
| Common name | (Japanese common name) mitsuba-no-komatsunagi (ミツバノコマツナギ, 三葉駒繋 [meaniing: three leaves komatsunagi (komatsunagi = Indigofera pseudotinctoria)]) |
| (English common name) none | |
| Distribution | (Japan) Okinawa |
| (Other nations) [native] China, Taiwan, Philippines, Vietnam, Laos, Thailand, Indonesia, Papua New Guinea, Australia, Myanmar, Bangladesh, Bhutan, India, Sri Lanka, Pakistan | |
| Habitat | Field |
| Chromosomal number | 2n=16 |
| Description | Plants creeping 30-60cm. Leaves ternate, leaflets each 9-26mm long, 6-10mm wide. Flowers red 3-3.5mm long, flowering in all seasons. Undershurb (suffruticose plant). |
| Reference | Indigofera trifoliata L. |
| Indigofera trifoliata Linn. | |
| Indigofera liukiuensis Makino | |
| Note | Naturalized plants (introduced as an Indigo plants). |
| July 2008 at Ishigaki Island |
July 2008 at Ishigaki Island |
July 2008 at Ishigaki Island |