Rhodiola grandiflora is a perennial herb of Rhodiola of Crassulaceae. The root neck on the ground is short, with a few remaining stems, which are black after drying and as high as 20 cm; Stem with few branches and rosette-like basal leaves; Sterile branches are erect, with dense leaves at the top and broad obovate leaves.
Leaves with short pseudostalks, elliptic oblong or suborbicular, undulate or crenate; There are many flower stems, which are arranged vertically or in a fan shape, and the rice stalks are colored or red; The fruit is erect, with short flower branches and red after drying; Seeds obovate with wings at both ends; Flowering from June to July; Fruiting period is July-August.
Rhodiola crenulata is distributed in China, Tibet, northwestern Yunnan, western Sichuan and other places, and also in Nepal, Sikkim, Bhutan and other countries. It often grows in hillside grasslands, bushes and crevices at an altitude of 2,800-5,600 meters. It likes high altitude and cold mountain environment and is suitable for stony soil.
Identification method
The identification of rhodiola sachalinensis mainly depends on its cylindrical taproot, thick and short, orange-red or purple-red cross-section, and sometimes cracks. The breath is fragrant, the taste is slightly bitter, and the aftertaste is sweet.
1, from the appearance, high-quality rhodiola rosea will be very red in sunlight, and the genuine rhodiola rosea will get redder and redder in sunlight. This method is very easy to distinguish other counterfeit products.
2. The quality of Rhodiola sachalinensis is soft, which is very suitable for soaking wine and making tea, but the quality of Rhodiola sachalinensis at low altitude is hard and not easy to slice.
3. Rhodiola at high altitude is lighter because of its low density, while Rhodiola at low altitude will be heavier.
4. Simply judge the high-quality Rhodiola from the smell. The high-quality Rhodiola is generally rich in fragrance, while the average quality Rhodiola is relatively weak.
Reference to the above content: Baidu Encyclopedia-Rhodiola grandiflora