Sempervivum × giuseppii, the roof houseleek, is a naturally occurring hybrid species of flowering plant in the family Crassulaceae, native to northwest Spain.[1][2] Its parents are Sempervivum arachnoideum and Sempervivum cantabricum.[3] A succulent, cold-hardy to USDA zone 7, it has gained the Royal Horticultural Society's Award of Garden Merit.[4]
| Sempervivum × giuseppii | |
|---|---|
| |
| Habit | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Crassulaceae |
| Genus: | Sempervivum |
| Species: | S. × giuseppii
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| Binomial name | |
| Sempervivum × giuseppii | |
References
edit- ^ "Sempervivum × giuseppii Wale". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 9 May 2021.
- ^ "Sempervivum giuseppii Roof Houseleek". Gardens Navigator. Denver Botanic Gardens. Retrieved 9 May 2021.
- ^ Parnell, J.; Favarger, C. (1990). Chater, A. O. (ed.). "Flora Europaea: Notulae systematicae ad Floram Europaeam spectantes. Notes on Sempervivum L. and Jovibarba Opiz". Botanical Journal of the Linnean Society. 2. 103 (3): 216–220. doi:10.1111/j.1095-8339.1990.tb00184.x.
- ^ "Sempervivum giuseppii". The Royal Horticultural Society. 2021. Retrieved 9 May 2021.
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