| Family | Verbenaceae |
| Scientific name | Stachytarpheta indica (L.) Vahl |
| Synonyms | Stachytarpheta angustifolia (Miller) Vahl; Stachytarpheta jabassensis H. Winkler; Verbena angustifolia Miller |
| Common name | (Japanese common name) mizuiro-nagabo-so (ミズイロナガボソウ, 水色長穂草 [meaning: light blue long infrolescence weed]), indo-nagabo-so (インドナガボソウ, 印度長穂草 [meaning: India long infrolescence weed]) |
| (English common name) light-blue snakeweed | |
| Distribution | (Japan) Okinawa |
| (Other nations) [native] Cuba, Jamaica, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, French Guiana, Guyana, Suriname, Venezuela, Colombia, Brazil | |
| Habitat | Field, roadside |
| Chromosomal number | unknown |
| Description | Plants ca. 30-100cm tall. Leaves ca. 5-7.5cm long, 2.5-5cm wide. Flowers inflorescences ca. 15-30cm long, light blue corollas ca. 1cm across, flowering in all seasons. Perennial plants. |
| Reference | Stachytarpheta indica (L.) Vahl |
| Stachytarpheta indica (L.) Vahl | |
| Remarks on the species of Stachytarpheta (Verbenaceae) of Taiwan [PDF] | |
| Note | Naturalized plants (introduced after World War II) |
| July 2008 at Okinawa |
July 2008 at Okinawa |
July 2008 at Okinawa |
| July 2008 at Okinawa |