TAKESIMENSIS (Nakai) 't Hart, 1995
Synonyms :
Sedum takesimense Nakai (1919) / Sedum kamtschaticum var. takesimense (Nakai) Park (1974) / Aizopsis takesimensis (Nakai) P.V.Heath (2001)
Subgenus Aizoon
Distribution : Korea (Tok and Ullu Islands); endemic.
Description (according to IHSP, 2003) :
Perennial robust glabrous herbs with large, thick and woody rootstock and decumbent, sornetimes caespitose stems with reddish base, to 40 cm long.
Leaves alternate, lanceolate, linear-Ianceolate, spatulate or obovate, obtuse, dentate or serrate in the upper ½, 2 - 8 cm long, shortly petiolate.
Flowering branches 40 cm.
Inflorescences terminal cymes with 3 - 5 cincinni.
Flowers (4- to) 5- (to 6-) merous, sessile, sepals linear to lanceolate, obtuse, 3.5 - 4 mm, petals 8 mm, yellow, filaments as long as the petals, yellow, anthers reddish-yellow.
Introduced into cultivation by James G.S. Harris after his expedition to the highest spots of Ullong-Do (Takeshima) 1989.