| Family | BRASSICACEAE |
| Genus species | Alyssum diffusum Ten. |
| Bibliography | App. Hort. Neap.: 58 (1815) |
| Native Range | Pyrenees to n. Spain, c. & s. Italy |
| Primary Biome | Temperate |
| Habitat | grassland and rocks |
| Description | leaves minute, obovate to elliptic, grey-green, the upper elliptic, cuneate or lanceolate, flowers in raceme, petals 5-7mm long, emarginate, silicles orbiculate, ventricose |
| Size | 5-10cm |
| Color | ivory yellow |
| Bloom | late spring |
| 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 month, 10-16°C cuttings in late summer |
| Synonyms | Adyseton diffusum (Ten.) Sweet Alyssum montanum ssp. diffusum (Ten.) Rouy & Foucaud Alyssum montanum f. diffusum (Ten.) Fiori & Paol. Alyssum montanum var. diffusum (Ten.) Porta Alyssum montanum var. helianthemifolium Timb.-Lagr. & Jeanb. Alyssum montanum var. marginatum Timb.-Lagr. & Jeanb. Alyssum montanum var. orbiculare Timb.-Lagr. & Jeanb. Alyssum wulfenianum ssp. diffusum (Ten.) Nyman |
| Territory | 1 Europe 12 Southwestern Europe (FRA France, SPA Spain) 13 Southeastern Europe (ITA Italy) |