Rhodiola

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 (according to 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.




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