| Family | Caryophyllaceae |
| Subfamily | Alsinoideae |
| Tribe | Alsineae |
| Scientific name | Stellaria sessiliflora Y. Yabe |
| Synonyms | Stellaria francheti Honda |
| Common name | (Japanese common name) miyama-hakobe (ミヤマハコベ, 深山繁縷 [meaning: mountain hakobe (meaning of hakobe is unknown)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (southeastern region), Honshu, Shikoku, Kyushu |
| (Other nations) Korea | |
| Habitat | Forest edge or wet field near mountane stream |
| Chromosomal number | 2n=56 |
| Description | Plants 10-40cm tall. Leaves 1-3.5cm long. Flowers calyx lobes 4.5-5mm long, white petals 6.5-7mm long, flowering in April to July. Seeds ca. 1.2mm long. Perennial plants. |
| Reference | Characterization of C-Glycosylflavones and Anthocyanins in Several Species of Caryophyllaceae |
| April 2006 at mountane roadside |
April 2006 at mountane roadside |
April 2006 at mountane roadside |
| April 2006 at mountane roadside |
April 2006 at mountane roadside |
April 2006 at mountane roadside |