| Family | HYPERICACEAE |
| Genus species | Hypericum webbii (Spach) Steud. sect. Adenotrias |
| Bibliography | Nomencl. Bot., ed. 2, 1: 790 (1840) |
| Native Range | Sardegna, Malta to w. Greece |
| Primary Biome | Subtropical |
| Habitat | rocky slopes |
| Altitude | 0-200m |
| Description | procumbent, ramose, leaves subsessile, flat, 4-10mm, narrowly oblong to broadly elliptic, acute and obtuse, flowers solitary, terminal, petals 8-14mm long |
| Size | 5-40cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| 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 cuttings in late summer |
| Synonyms | Hypericum aegypticum ssp. webbii (Spach) N.Robson Hypericum maritimum Sieber Hypericum sieberi (Spach) Nyman Hypericum spachianum Steud. Triadenia maritima (Sieber) Boiss. Triadenia maritima var. webbii (Spach) Hayek Triadenia sieberi Spach Triadenia thymifolia Spach Triadenia webbii Spach |
| Territory | 1 Europe 12 Southwestern Europe (SAR Sardegna) 13 Southeastern Europe (GRC Greece, KRI Kriti, SIC Sicilia) |