Chinese herbal medicine named after the emperor's nickname: Liu Jinu.
Liu Yinu is another name for many kinds of plants, such as Yinxing grass in the wisdom of plants, and Hedyotis diffusa in the Chinese Natural Collection of Artemisia selengensis. Artemisia argyi is the whole grass of Artemisia argyi in Compositae.
mainly produced in Jiangsu, Zhejiang and Jiangxi. Cutting when flowering in autumn, removing impurities and drying in the sun. It is better to have green leaves, yellow spikes and strong aroma. Promoting blood circulation and dredging channels, removing blood stasis and relieving pain, stopping bleeding and swelling, and resolving food stagnation. It can be used for amenorrhea due to blood stasis, postpartum abdominal pain, traumatic injury, traumatic hemorrhage, sores, carbuncle and swelling, and dyspepsia abdominal pain.
perennial herbs. The main roots are slightly obvious or not obvious, and the lateral roots are mostly; Rhizomes are slightly thicker, 3-5 mm in diameter, curved and inclined upward. The stem is solitary, sparse 2 to a few, 8-15 cm high, with longitudinal edges, yellow-brown or purple-brown, puberulent at first, and then gradually falling off; The upper part has branches, which are curved, obliquely upward or slightly spread, and are 5-15 cm long.
The leaves are thick papery or papery, green or light green on the top, slightly pubescent at first, then hairless, yellow-green on the back, slightly spidery at first, and then falling off.
The lower leaves are ovate or oblong, sparsely obovate, undivided or with several shallowly lobed teeth at the apex, sharp or long at the apex, serrate at the edge, rounded or broadly wedge-shaped at the base, with short stalks and petioles 3-5mm long.
The middle leaves are ovate, oblong or ovate-lanceolate, 9-12(-15) cm long and 2.5-4(-5.5) cm wide, with acute or long apex, serrate edges, rounded or broadly wedge-shaped base and petiole 2-4(1) mm long; Upper leaves and bract leaves are small and sessile.
The head is oblong or oval, 2-2.5 mm in diameter, sessile or nearly sessile, arranged in dense spikes at the upper end of branches or branchlets, and forms a narrow or slightly spreading panicle at the upper end of stems.
The total bracts are 3-4 layers, semi-membranous to membranous, with yellowish back and hairless. The outer total bracts are small and oval, while the middle and inner total bracts are oval, oblong or oval. Female flowers are 4-6, the corolla is narrow and tubular, the eaves have 2-lobed teeth, the style is long, protruding out of the corolla, the apex is 2-forked, and the fork end is blunt.
There are 6-8 bisexual flowers, the corolla is tubular, the anther is linear, the apex appendages are pointed, the Yangtze River Delta is shaped, the base is blunt, the style is slightly longer than the corolla, the apex is bifurcated, the fork ends are truncated, and eyelashes are present. Achenes obovate or oblong obovate. The flowering and fruiting period is from June to November.