| Family | Acanthaceae |
| Subamily | Acanthoideae |
| Scientific name | Justicia procumbens L. var. riukiuensis Yamamoto |
| Synonyms | Rostellaria procumbens (L.) Nees var. riukiuensis (Yamamoto) Ying |
| Common name | (Japanese common name) kitsune-no-himago (キツネノヒマゴ, 狐ノ曾孫 [meaning: fox great-grandchildren]) |
| (English common name) none | |
| Distribution | (Japan) Okinawa |
| (Other nations) Taiwan | |
| Habitat | Roadside, fields |
| Chromosomal number | unknown |
| Description | Plants electing 10-30cm tall. Leaves 1-2.5cm long, 0.6-1.5cm wide. Flowers flowering in August to October. Annual plants. |
| Note | Justicia diffusa Willdenow (syn. Justicia procumbens L. var. hayatae (Yamamoto) Ohwi) occurs in Taiwan, but does not occur in Japan (including Okinawa). |
| October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |