| Family | CISTACEAE |
| Genus species | Helianthemum asperum Lag.ex Dunal |
| Bibliography | Prodr. [A.P.de Candolle] 1: 283 (1824) |
| Native Range | Spain |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 0-1200m |
| Description | leaves 1-2cm, ovate-oblong to oblong-linear, adaxially scabrous hirsute, green, abaxially grey tomentose, flowers 6-9 in cymes, corolla 2cm across |
| Size | 10-35cm |
| Color | white |
| Bloom | 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. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Cistus hirsutus Lapeyr. Helianthemum asperum var. angustifolium Willk. Helianthemum asperum f. cinereum Grosser Helianthemum asperum var. discolor Willk. Helianthemum asperum var. grandiflorum Willk. Helianthemum asperum var. latifolium Willk. Helianthemum asperum var. roussaei Dunal Helianthemum asperum var. scariosum (Pau & Sennen) G.López Helianthemum leptophyllum var. albiflorum Willk. Helianthemum pilosum var. asperum (Lag. ex Dunal) Batt. Helianthemum polymorphum Pourr. ex Willk. Helianthemum scariosum Dufr. ex Willk. Helianthemum serpyllifolium var. scariosum Pau & Sennen Helianthemum variabile var. asperum (Lag. ex Dunal) Steud. Helianthemum vulgare var. asperum (Lag. ex Dunal) Cutanda |
| Territory | 1 Europe 12 Southwestern Europe (SPA Spain) |