| Family | CARYOPHYLLACEAE |
| Genus species | Odontostemma ionandrum (Diels) Sadeghian & Zarre |
| Bibliography | Bot. J. Linn. Soc. 178: 666 (2015) |
| Native Range | sc. China |
| Primary Biome | Subalpine |
| Habitat | scree and moraines |
| Altitude | 3600-5300m |
| Description | leaves shortly petiolate, oblong or ovate, 3-7mm, thick, glabrous, obtuse, flowers solitary, terminal, sepals orbiculate, petals broadly ovate, 5-8mm long, emarginate |
| Size | 4-10cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | gravelly, humous, moist, semi-shady site alpine house, moist, humous, gravelly soil, semi-shade |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Arenaria ionandra Diels, Notes Roy. Bot. Gard. Edinburgh 5: 182 (1912) |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central) |