STAPFII  (Hamet) S.H.Fu, 1965

Synonym : Sedum stapfii  Hamet (1913)

Type : King 318, Tibet.
 

Subgenus Rhodiola, Section Prainia

Distribution : Northeastern India (Assam), Bhutan, southern Tibet,grassland slopes, 2900 - 5000 m. 

Description (by H. Ohba in IHSP, 2003) :

Dioecious, to 3 cm taIl.
 

Rhizomes 8 mm in diameter.

Flowering stems solitary, erect, glabrous.

Leaves usually 5 or 6, nearly verticiIlate at or near the stem tip, glabrous, petiolate, ovate or oblong-ovate, 8 - 15 x 4 – 7 mm, tip obtuse, base round, margin entire, petiole 2 - 3.5 mm, broadening towards base.

Inflorescences 3- to 6-flowered, ebracteate, pedicels 10 - 13 mm,' glabrous.

Flowers : Calyx 3.4 - 5 mm, glabrous, sepals slightly longer or shorter than the petals, petals narrowly oblong or narrowly oblong-ovate, white, 2.2 - 3.1 x 1 - 1.8 mm,stamens shorter than the petals, anthers reddish, nectar scales square to narrowly oblong, 0.6 - 0.8 mm, reddish, carpels 4.5 - 5.2 mm, tapering, each mostly with 8 ovules, styles 0.8 - 1 mm, fruit nearly erect, seeds 0.85 - 1 mm.

Flowering time : August.

R. wangii is similar to R. stapfii.