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 (by 't Hart & Bleij in IHSP, 2003) :
Leaves linear to oblong, terete to semiterete.
Inflorescence globose and erect in 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