x hegnaueri

Synonyms : 

Sedum x hegnaueri  ‘t Hart (1979) / Sedum luteolum nssp. hegnaueri ('t Hart) 't Hart (1994)

Parentage : Petrosedum erectum x P. sediforme

Distribution : France (Hautes Alpes); only known from the French Alps.

Description (according to 't Hart & Bleij in IHSP, 2003) :

Leaves linear to oblong, terete to semiterete.

Inflorescence globose and erect bud, bracts only subtending the flowers in the centre of the inflorescence.

Flowers : Sepals (2-) 3 (-4) mm, filaments basally densely papillate.

Cytology : 2n = 80, 96