Sedum
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GRISEBACHII  Boissier & Heldreich, 1856

Synonym : Sedum sexangulare ssp. grisebachii  (Boissier & Heldreich) J.A.Huber (1936)

 

Distribution : C and S Balkans, Rumania to C Greece, Turkey (reported from the vicinity of Istanbul).

 

 

Description (according to IHSP, 2003) :

 

Annual or perennial herbs, sterile shoots rooting, much-branched, ascending, short, usually forming dense tufts.

 

Leaves densely imbricate, linear-oblong to oblanceolate, subacute with 3 - 12 hyaline papillae at the tip, semiterete, with a short truncate basal spur, 5 - 6 mm, bright green.

 

Inflorescences : Flowering branches erect or ascending, usually simple, slender, 2 - 15 cm, sometimes with a few small subsidiary axillary cymes, inflorescences cymes with 2 - 4, rarely forked cincinni, bracts 2 per fIower.

 

FIowers 5-merous, sessile or subsessile, sepals broadly sessile, unequal, linear or narrowly elliptic, subacute with some papillae at the tips, to 5 mm, petals lanceolate-elliptic, 4 - 6 mm, yellow or pale yellow, filaments yellow, anthers yellow, rarely red.

 

Cytology : 2n = 16, 32

 

A variable species with respect to habit, size of the inflorescences and ecological préférence. The species belongs to the comparium of Ser. Alpestria A. Berger ('t Hart 1991).

2 varieties :

 

Sedum grisebachii var. grisebachii

 

Sedum grisebachii var. horakii (Rohlena) 't Hart (1983)

 




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