| Family | RUBIACEAE |
| Genus species | Galium cyllenium Boiss. & Heldr. |
| Bibliography | Diagn. Pl. Orient. [P.E.Boissier] ser. 2, 2: 117 (1856) |
| Native Range | s. Greece |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 1800-2100m |
| Description | stem quadrangular, glabrous, leaves 5-10mm, in whorls of 6, narrowly lanceolate, with long hyaline apex, inflorescence few flowered, flowers 12-18mm long, crateriform |
| Size | 3-5cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | sunny 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 cuttings in late summer |
| Territory | 1 Europe 13 Southeastern Europe (GRC Greece) |