DUMULOSA (Franchet) S.H.Fu, 1965
Synonyms :
Sedum dumulosum Franchet (1883) / Chamaerhodiola dumulosa (Franchet) Nakai (1934)
Sedum rendlei Hamet (1913) / Sedum dumulosum var. rendlei (Hamet) Fröderström (1930).
Sedum rariflorum N.E.Brown (1914)
Sedum farreri W.W.Smith (1916) / Rhodiola dumulosa fa. farreri (W.W.Smith) Jacobsen (1973)
Chamaerhodiola wulingensis Nakai (1934) / Sedum wulingense (Nakai) Kitagawa (1939) / Rhodiola wulingensis (Nakai) Kitagawa (1979)
Sedum talihsiense Fröderström (1936)
Subgenus Crassipedes
Distribution : Bhutan, Myanmar, Mongolia?, western China (widespread); rocks on slopes, 1600 - 4100.
Description (by H. Ohba in IHSP, 2003) :
Hermaphrodite, to 15 cm tall.
Rhizomes cylindrical or carrot-shaped, to 1 cm in diameter, sparsely branched, buds conspicuous from late anthesis onwards, ovoid to ellipsoid, 5 - 10 mm long.
Flowering stems 5 - 10, ± fastigiate, simple, glabrous.
Leaves densely arranged, ascending to spreading, sessile, linear to linear-lanceolate to -elliptic, 10 - 16 (- 22) x 1.5 - 2.5 mm, thickly herbaceous, glabrous, tip obtuse, margin entire or nearly so.
Inflorescences 4- to 20-flowered, pedicels 1 - 3 mm.
FIowers 6 - 8 mm in diameter, calyx 6 - 7.5 mm, glabrous, sepals subulate to linear-subulate, 3 - 4.5 mm, petals oblong to oblanceolate or narrowly obovate, greenish-white to creamy, erect to suberect, tip acuminate, margin entire to densely erose, 8 - 11 mm, stamens distinctly shorter than the petals, erect, anthers blackish-red, nectar scales transversely oblong to square, 0.6 - 0.8 mm, carpels 8 - 10 mm with 8 - 10 ovules each, fruits 10 - 15 mm, seeds elliptic, ± 1.2 mm, winged at both ends, brown, longitudinally striate.