Rhodiola

CALLIANTHA (Ohba) Ohba, 1976

Synonym : Sedum callianthum  Ohba (1974)

Section Rhodiola

Distribution : Nepal, southern Tibet, rocks on shady slopes, ± 3600 m. 

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

Dioecious, to 20 cm tall, rhizomes cylindrical, - 1.5 cm in diameter.

Flowering stems 3 - 5, 1.7 - 2 mm in diameter, glabrous.

Leaves petiolate (petiole 2 - 3 mm), glabrous, lamina (narrowly) rhombic-ovate to elliptic, 2 - 4.2 x 0.5 - 2 cm, glabrous, tip obtuse or deltoid-obtuse, base attenuate, margin in upper 2/3 crenulate-serrate.

Inflorescences laxly 20- to 35-flowered, pedicels 1.2 - 2.5 mm, glabrous.

Flowers : Calyx 1.8 – 2,4 mm, sepals lanceolate to subulate, 1.3 - 2 mm, petals purple, spreading, oblanceolate to obovate or elliptic, 3 - 4.5 mm, stamens mostly 2/3 – 2/4 as long as the petals.




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