| Family | RHAMNACEAE |
| Genus species | Rhamnus tortuosa Sommier & Levier |
| Bibliography | Bull. Soc. Bot. Ital., ser. 2, 1: 26 (1894) |
| Native Range | North Caucasus |
| Primary Biome | Temperate |
| Habitat | rocks |
| Description | leaves subcoriaceous, glabrous, dull, grey-green, entire to serrate, obovate-linear, shortly petiolate, flowers solitary, axillary |
| Size | 25-40cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | shrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring after hot water treatment, germ. 3-6 months, cuttings in late summer |
| Territory | 3 Asia-Temperate 33 Caucasus (NCS North Caucasus) |