Brief introduction of kidney-meridian grass, alias: jade peak flower, eyelash orchid, gastrodia elata, silver orchid, chicken kidney grass, chicken grass, double kidney grass, Difuzi, wild Yanghe, jade peak orchid; Pinyin name: Shè njn ɡ co. is a perennial herb. Tubers are rectangular or cylindrical and fleshy. Leaves densely born below the middle of the stem, 4-6 pieces. The raceme has more than 6- 10 flowers; Scapes with villous edges and stellate hairs at the top; Flowers are light green; Bracts ovate, ciliate; Middle sepals ovate, pocket-shaped; Lateral sepals ovate, slightly oblique, reflexed; Petals undivided, triangular, Zhu Duan with tail; The lip is 3-lobed, and the lobes are strip-shaped and silky. The middle leaf is shorter than the lateral leaf and bends downward. Spur pendulous, rod-shaped, curved forward, as long as ovary; Stigma 2-lobed, protuberance straight and parallel; Ovary beaked, apex obviously curved, with simple stellate hairs.