MACROCARPA (Praeger) S.H.Fu, 1965
Synonyms :
Sedum macrocarpum Praeger (1921)
Sedum eurycarpum Fröderström (1924) / Chamaerhodiola eurycarpa (Fröderström) Nakai (1934) / Rhodiola eurycarpa (Fröderström) S.H.Fu (1965)
Sedum progressum Diels (1930)
Section Rhodiola
Distribution : South-eastern Tibet, Myanmar, China (Gansu, Qinghai, Shaanxi, Sichuan, north-western Yunnan), rocks on slopes, 2900 - 4300 m.
Description (according to H. Ohba in IHSP, 2003) :
Dioecious, to 50 cm tall.
Rhizomes subcylindrical, usuaIly 8 - 12 mm in diameter, simple to sparsely branched, often stoloniferous.
Flowering stems 2 (-3), 2 - 4 mm in diameter, papillate.
Leaves ± remote throughout, sessile, obtrullate to linear-oblanceolate, 2 - 4.5 x 0.4 - 1.1 cm, glabrous, tip acute, base attenuate, margin sparsely denticulate to roughly serrate, papillate.
Inflorescences compact, 20- to 40-flowered, 3 - 7 cm in diameter, pedicels 2 - 4 mm, densely papillate.
Flowers : Calyx glabrous, tube ± 0.5 mm, sepals linear-subulate, 4 - 5 mm (male) or 4.5 - 7 mm (female), petals pale yellowish-green, eIliptic (male) or subulate with round tip (female), 4.8 - 5.5 mm (male) or 3.2 - 3.7 mm (female), stamens longer than the petals, anthers purplish-red.
Flowering time : July to September.