Rhodiola

NOBILIS  (Franchet) S.H.Fu, 1965

Synonyms :

Sedum nobile  Franchet (1896) / Chamaerhodiola nobilis  (Franchet) Nakai (1934)

Sedum horridum  Praeger (1921) / Chamaerhodiola horrida  (Praeger) Nakai (1934)

Section Chamaerhodiola

Distribution : North-eastern Myanmar, south-western China (north-western Yunnan); thickets and grassy slopes, 3700 - 4500 m.

Description (according to H. Ohba in IHSP, 2003) :

Dioecious, 4 - 7 cm tall.

Rhizomes cylindrical, 1.2 - 2.5 cm in diameter, unbranched.

Flowering stems densely fastigiate, 1 - 1.2 mm in diameter, purplish-brown, papillate, marcescent.

Flowering stems of the same age verticillate in umbel-like fashion, basally bent, with conspicuous leaf scars.

Leaves densely arranged throughout the stems, ascending to spreading, narrowly oblong to Iinear-oblanceolate, 6 - 10 x 1.6 - 2.5 mm, glabrous, tip acute to obtuse, base shortly attenuate, margin entire.

Inflorescences terminal, 1- to 4-flowered, 5 – 7 x 7 - 15 mm in diameter, pedicels < 1 mm, smooth. 

FIowers 4-merous, 4 - 5 mm long, calyx (male) 2.5 - 4.5 mm, sepals narrowly triangular to linear-subulate, 2 - 2.5 mm, petals (male) oblong to broadly oblong, 4 - 6 mm, white or pinkish, ascending to suberect; stamens longer than the petals.

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