| Family | CARYOPHYLLACEAE |
| Genus species | Silene akaisialpina (T.Yamaz.) H.Ohashi & al. |
| Bibliography | J. Jap. Bot. 72: 195 (1997) |
| Native Range | Japan (c. Honshu) |
| Primary Biome | Subalpine |
| Habitat | grassland and rocks |
| Description | stems thin, glabrous, leaves lanceolate, acuminate, sessile, glabrous, flowers 1-2, large, calyx tubular, corolla 3-4cm across, petals obovate, bifid |
| Size | 5-10cm |
| Color | rose |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C division in early spring; cuttings in late summer |
| Synonyms | Melandrium keiskei var. akaisialpinum T.Yamaz. Melandrium keiskei f. leucanthum (Takeda) T.Yamaz. Silene akaisialpina f. leucantha (Takeda) H.Ohashi & al. Silene keiskei var. akaisialpina (T.Yamaz.) Ohwi & H.Ohashi Silene keiskei f. leucantha (Takeda) Ohwi & H.Ohashi |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |