Sempervivum
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x stenopetalum  Schnittspahn & Lehmann, 1855

Synonyms :

Sempervivum x adenotrichum  Burnat (s.a.)

Sempervivum x densum  Lehmann & Schnittspahn (1860)

Sempervivum x schottii  Lehmann & Schnittspahn (1860)

Sempervivum x parviflorum  Lehmann & Schnittspahn (1864)

Sempervivum x verlotii  Lamotte (1864) / Sempervivum tectorum ssp. verlotii  (Lamotte) Bellia & de Andrade (1972) (nom. inval.)

Sempervivum funckii  Jordan & Fourreau (1866) (nom. illeg.)

Sempervivum x modestum  Jordan & Fourreau (1868)

Sempervivum x parvulum  Jordan & Fourreau (1868)

Sempervivum x monticola  Jordan & Fourreau (1868) (nom. illeg.)

Sempervivum x rhaeticum  Brügger (1880) / Sempervivum x schottii nvar. rhaeticum  (Brügger) Rowley (1958)

Sempervivum x allobrogorum  Beauverd (1931

 

Parentage : Sempervivum montanum x S. tectorum.

Distribution : Pyrenees, western and central Alps, Tosco-Emilian apennines.

Description (according to Praeger, 1932) :

 Intermediate between the parents, generally resembling a small S. tectorum, but with the rosettes denser and the leaves more or less glandular-hairy and without a purple tip ; flower-stems shorter, inflorescence smaller, flowers of a purer purple than those of tectorum, petals more tapering. Other forms are nearer S. montanum.




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