| Family | RUBIACEAE |
| Genus species | Galium cossonianum Jafri |
| Bibliography | Fl. Libya 65: 23 (1979) |
| Native Range | Algeria to Libya |
| Primary Biome | Subtropical |
| Habitat | rocks |
| Description | stems pubescent, leaves glabrous, subscabrous, acuminate, at apex subhirsute, flowers in axillary, short, few flowered cymes, in upper part of stems |
| Size | 5-12cm |
| Color | white |
| Bloom | late spring, summer |
| Ca | + |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C division in early spring and fall; cuttings in late summer |
| Synonyms | Galium petraeum Coss. ex Batt. Galium petraeum var. brevifolium Batt. Galium petraeum var. patulum Batt. Galium petraeum var. virgatum Batt. |
| Territory | 2 Africa 20 Northern Africa (ALG Algeria, LBY Libya, TUN Tunisia) |