Botanical name: Rhodiola crenulata    Family: Crassulaceae (Sedum family)
Synonyms: Rhodiola euryphylla, Sedum crenulatum, Sedum rotundatum

Scalloped-Leaf Roseroot is a perennial herb with stem few branched, short, 5-20 cm. Caudex leaves scalelike, inverted-lanceshaped, 1-2 cm, tip somewhat pointed. Sterile branches are erect, 4-17 cm, at tip densely leafy; leaves broadly obovate, 1-3 cm. Flowering stems are numerous, erect or flabellate, straw-colored to red, 5-20 cm; leaves shortly pseudostalked. Leaves are elliptic-oblong to nearly round, 1.2-3 x 1-2.2 cm, margin entire and wavy to rounded toothed, tip blunt to with a short sharp point. Flowers are borne in corymbs, about 2 x 2-3 cm, many flowered, bracteate. Flowers are shortly to long stalked, unisexual, large, male ones unequally 5-merous. Sepals narrowly triangular, lanceshaped, or oblong, 2-3.5 mm, tip blunt to subblunt. Petals are red to purplish red, inverted-lanceshaped, 6-7.5 x 1-1.5 mm, tip blunt. Stamens are 10, equaling petals, styles short. Female flowers are similar but stamens absent and carpels equaling petals. Fruits are erect, red when dry, 8-10 mm. Scalloped-Leaf Roseroot is found in thickets, grassland slopes, rocky places, rock crevices, at altitudes of 2800-5600 m, from the Himalayas to China. Flowering: June-September.
Medicinal uses: Scalloped-Leaf Roseroot has been used for many years in Eastern traditional medicine for a variety of medicinal purposes and is particularly described in Pharmacopoeia of China. It has been widely used to prevent acute mountain sickness in the Himalayan areas.

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The flower labeled Scalloped-Leaf Roseroot is ...