SEXANGULARE  L., 1753

Synonyms :

Sedum acre var. sexangulare  (L.) Godron (1848)

Sedum mite  Gilibert (1782)

Sedum boloniense  Loiseleur (1810) / Sedum sexangulare var. boloniense  (Loiseleur) Fenzl (1856) / Sedum sexangulare ssp. boloniense  (Loiseleur) J.A.Huber (1936)

Sedum schistosum  Lejeune (1811)

Sedum spirale  Haworth (1825)

Sedum boloniense var. minor  Wirtgen (1857) / Sedum sexangulare fa minor  (Wirtgen) Soó (1966)

Sedum boloniense var. parviflorum  R.Uechtritz (1881) / Sedum sexangulare fa parviflorum  (R.Uechtritz) Soó (1966)

Sedum sexangulare ssp. montenegrinum  Horák (1898) / Sedum sexangulare var. montenegrinum  (Horák) Hayek (s.a.) / Sedum montenegrinum  (Horák) R.L.Evans (1983)

Sedum tschernokolevii  Stefanoff (1965)

Distribution : Mainly central, southern and south-eastern Europe, extending locally to central France, central Italy, south-western former Yugoslavia and the western borders of Russia, doubtfully native to Fennoscandia and very rare in northern Greece.

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

Laxly caespitose perennial herbs forming mats of rooting and ascending non-flowering shoots.

Leaves alternate, densely imbricate, on non-flowering shoots usually in 6 rows, cylindrical to linear, spurred, 3-6 mm, bright green.

Inflorescences : Flowering branches 6 - 15 cm, inflorescences moderately lax cymes with (1-) 2 - 3 (-4) sometimes forked cincinni, bracts 2 per flower.

FIowers 5- or rarely 6-merous, subsessile, sepals broadly sessile, unequal, linear-elliptic, obtuse, petals 4 - 6 mm, acute or acuminate, bright yellow, filaments yellow, anthers yellow.

Cytology: 2n = 74, 111, 148, 185.

The species belongs to the comparium of Ser. Alpestria A. Berger ('t Hart 1991).

Plante en culture / plant in cultivation (origine inconnue / origin unknown), 14 juin 2010 :