Rhodiola is a genus of perennial plants in the family Crassulaceae[1] that resemble Sedum and other members of the family. Rhodiola crenulata, Caudex few branched, short, 5-20 cm; persistent old flowering stems and branches few, black when dry. Caudex leaves scalelike, oblanceolate, 1-2 cm, apex subacute. Sterile branches erect, 4-17 cm, apically densely leafy; leaves broadly obovate, 1-3 cm. Flowering stems numerous, erect or flabellate, straw-colored to red, 5-20 cm; leaves shortly pseudopetiolate; leaf blade elliptic-oblong to suborbicular, 1.2-3 × 1-2.2 cm, margin entire and undulate to crenate, apex obtuse to mucronate. Inflorescences corymbiform, ca. 2 × 2-3 cm, many flowered, bracteate. Flowers shortly to long pedicellate, unisexual, large, male ones unequally 5-merous. Rhodiola crenulata, Thickets, grassland slopes, schist on mountain slopes, rocky places, rock crevices; 2800-5600 m. Qinghai, Sichuan, Xizang, Yunnan [Bhutan, Nepal, Sikkim].