Sempervivum giuseppii

Life-forms

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Saxifragales

Familia: Crassulaceae
Subfamilia: Sempervivoideae
Tribus: Semperviveae
Genus: Sempervivum
Nothospecies: Sempervivum × giuseppii
Name

Sempervivum × giuseppii Wale (1941)

Formula hybridae: Sempervivum arachnoideum L. × Sempervivum vicentei Pau

Distribution
Native distribution areas:
References
Primary references

Wale, R.S. 1941. Bull. Alpine Gard. Soc. Gr. Brit. 9: 115.

Links

Hassler, M. 2019. Sempervivum × giuseppii. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 Dec 17. Reference page.
International Plant Names Index. 2019. Sempervivum × giuseppii. Published online. Accessed: Dec 17 2019.
Govaerts, R. et al. 2019. Sempervivum × giuseppii in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 Dec 17. Reference page.
Tropicos.org 2019. Sempervivum × giuseppii. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Dec 17.

Vernacular names

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 × Sempervivum cantabricum.[3] A succulent, cold hardy to USDA zone 7, it has gained the Royal Horticultural Society's Award of Garden Merit.[4]
References

"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.