Sempervivum pittonii

Sempervivum pittonii, called the Pittoni houseleek, is a species of flowering plant in the genus Sempervivum, native to the eastern Alps of Austria.^[2] It is a local endemic of two mountains in Styria, where it occurs exclusively on serpentine rock.^[3] A perennial, cold hardy, rosette-forming succulent, it has gained the Royal Horticultural Society's Award of Garden Merit.^[4]

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  Rosette in the wild in Styria
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  Budding inflorescences in the wild
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  A specimen showing scale
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  A variety with white flowers

Sempervivum pittonii
Close-up of flowers
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Saxifragales
Family:	Crassulaceae
Genus:	Sempervivum
Species:	S. pittonii
Binomial name
Sempervivum pittonii Schott, Nyman & Kotschy[1]