| Family | Caryophyllaceae |
| Subfamily | Caryophylloideae |
| Tribe | Sileneae |
| Scientific name | Silene vulgaris (Moench) Garcke |
| Synonyms | Behen vulgaris Moench; Cucubalus behen L.; Cucubalus latifolius Miller; Cucubalus venosus Gilibert; Oberna commutata (Gussone) S. Ikonnikov; Silene behen (L.) S. Ikonnikov var. cucubalus (Wibel) Kuntze; Silene cucubalus Wibel; Silene inflata Smith; Silene inflata Smith var. vulgaris Turczaninow; Silene latifolia (Miller) Britten & Rendle, non Poiret; Silene latifolia (Miller) Britten & Rendle, non Poiret var. pubescens (de Candolle) Farwell; Silene venosa (Gilibert) Ascherson; Silene wallichiana Klotzsch |
| Common name | (Japanese common name) shiratama-sou (シラタマソウ, 白玉草 [meaning: white balls weed]) |
| (English common name) bladder campion, bladder catchfly, maidenstears | |
| Distribution | (Japan) Hokkaido, Honshu |
| (Other nations) [native] Europe | |
| Habitat | Roadside, field |
| Chromosomal number | 2n=24, 48 |
| Description | Plants 20-50cm tall. Flowers white or partly pale pink (very variable; Japanese naturalized species is mainly white) corollas ca. 1.5-2cm, flowering in June to August. Perennial plants. |
| Reference | Silene vulgaris (Moench) Garcke |
| Silene vulgaris (Moench) Garcke | |
| Silene vulgaris (Moench) Garcke | |
| Silene vulgaris (Moench) Garcke | |
| Synergistic herbicidal mixtures (US Patent 6645911/2003) | |
| Chlorogenic acid and an analog thereof for immune system stimulation (US Patent 7288271/2007) | |
| Herbicidal mixtures (WIPO Patent WO/1998/004134) | |
| Immune system stimulation (WIPO Patent WO/2002/047703) | |
| Note | Naturalized plants (introduced as a garden plant in early 20th). |
| June 2008 at roadside in Hokkaido |
June 2008 at roadside in Hokkaido |
June 2008 at roadside in Hokkaido |
| June 2008 at roadside in Hokkaido |
June 2008 at roadside in Hokkaido |