Ground yellow aliases: Huaiqing ground yellow, raw land, Lydang family of ground yellow genus. Mostly distributed in the north, sand and gravel crevices, barren hillsides, walls, where barren will be crowded and grown. This is thanks to his thick, powerful yellow fleshy roots. The fuchsia flowers are densely covered with white soft hairs. Although it is not bright, it is very unique, and when the petals are removed, you can absorb the sweet nectar inside.
Get to know it
It is a perennial herb of 10–30 cm tall and densely covered with grayish-white multicellular long soft hairs and glandular hairs. The rhizomes are fleshy and hypertrophic, yellow when fresh, and purple-red in the stems. The leaves are usually integrated at the base and strongly shrunk into bracts upwards, or gradually shrink and alternate on the stems; the leaves are ovate to oblong, green on top and slightly purple or purple-red below. The leaf edges have irregular rounded or blunt serrations and even teeth. The flowers are scattered on the stem in a total inflorescence slightly arranged at the top, or almost entirely of the leaf axils; the calyx is bell-shaped, densely covered with multicellular long soft hairs and white long hairs; the corolla is through-curved and curved, purple-red on the outside, and covered with multicellular long soft hairs.
Fresh ground yellow, raw ground yellow, cooked ground yellow
The root of the ground yellow is large and short, shaped like a mountain radish, the color is slightly yellow, the taste is bitter, and it has been used for medicine, which has a history of 3,000 years in the history of traditional Chinese medicine. Autumn digging, in addition to the reeds, whisker roots and sediment, fresh use, is fresh ground yellow; the ground yellow slowly baked to 80% dry, kneaded into a ball and then baked until the internal color becomes black, the texture of soft outer skin becomes hard, is raw ground yellow. Cooked ground yellow is a processed product of raw ground yellow, using wine, sand kernels, tangerine peel as accessories, after repeated steaming until the inside and outside color is black and oily, the texture is soft and sticky.
Efficacy of all three
Rehmannia root into medicine, fresh yellow for the heat and cool blood medicine; raw yellow can clear the heat and cool blood, nourish the yin and jin; cooked yellow can nourish the yin to replenish blood, improve the essence of the pulp.