Sempervivum pittonii

{{Short description|Species of plant in the genus Sempervivum}}

{{Speciesbox

|image=Sempervivum pittonii 002.JPG

|image_caption=Close-up of flowers

|genus=Sempervivum

|species=pittonii

|authority=Schott, Nyman & KotschyAnalect. Bot.: 19 (1854)

}}

Sempervivum pittonii, called the Pittoni houseleek, is a species of flowering plant in the genus Sempervivum, native to the eastern Alps of Austria.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:276595-1 |title=Sempervivum pittonii Schott, Nyman & Kotschy |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=21 March 2021 }} It is a local endemic of two mountains in Styria, where it occurs exclusively on serpentine rock.{{Cite book |last=Schmeil |first=Otto |url=https://www.worldcat.org/oclc/1089338754 |title=Die Flora Deutschlands und angrenzender Länder ein Buch zum Bestimmen aller wildwachsenden und häufig kultivierten Gefäßpflanzen |date=2019 |others=Jost Fitschen, Gerald Parolly, Jens G. Rohwer, Michael Koltzenburg, Birgit Nordt, Jens G. Rohwer, Peter A. Schmidt, Quelle & Meyer Verlag GmbH & Co |isbn=978-3-494-01700-6 |edition=97., überarbeitete und erweiterte Auflage |location=Wiebelsheim |oclc=1089338754}} A perennial, cold hardy, rosette-forming succulent, it has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web |title=Sempervivum pittonii Pittoni houseleek |url=https://www.rhs.org.uk/Plants/17149/Sempervivum-pittonii/Details |publisher=The Royal Horticultural Society |access-date=21 March 2021 }}

{{Gallery

|SempervivumPittoniiCrassulaceae Rosette KraubathGulsen.jpg|Rosette in the wild in Styria

|SempervivumPittoniiCrassulaceae Habitus KraubathGulsen.jpg|Budding inflorescences in the wild

|Sempervivum Pittonii (5796664839).jpg|A specimen showing scale

|Sempervivum Pittoni (5849673066).jpg|A variety with white flowers

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