| Family | LAMIACEAE |
| Genus species | Marrubium thessalum Boiss. & Heldr. |
| Bibliography | Diagn. Pl. Orient. [P.E.Boissier] ser. 2, 4: 50 (1859) |
| Native Range | Albania to e. Greece |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | stems white lanate, leaves rugose, adaxially cinereous sericeous, abaxially densely grey hirsute, crenate, the lower cuneate, petiolate, whorls spherical, lanate |
| Size | 30-50cm |
| Color | white |
| Bloom | late spring |
| Ca | + |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in early spring; cuttings in late summer |
| Territory | 1 Europe 13 Southeastern Europe (ALB Albania, GRC Greece) |