Artemisia selengensis

Pinyin: [lóu hāo]

Artemisia selengensis (scientific name: Artemisia selengensis?Turcz. ex Bess..) is a genus of Artemisia in the Asteraceae family. Perennial herb; the plant has a fragrant smell. There are creeping underground stems. The stems are few or single, up to 150 cm high, greenish-brown at first, then purple-red, with obvious longitudinal ribs, the lower part is usually semi-lignified, and the upper part has branches with head-like inflorescences. The leaves are papery or thin, and the upper part is papery. Green, hairless or nearly hairless, the back is densely covered with gray-white spider-like flat wool; the lower part of the stem leaves are broadly ovate or ovate, the lobes of the divided leaves are linear or linear-lanceolate, the petioles have no pseudostipules, and the flowering period The lower leaves are usually withered; the middle leaves are almost palmate, and there are many flower heads, which are oblong or broadly ovate. The bracts are ovate or nearly round. The back side is initially sparsely covered with gray-white spider-like short wooly hairs. The inflorescence base is small. Raised; female flowers have narrow tubular corolla, slender style, and bloom and bear fruit from July to October.

Distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Shandong, Jiangsu, Anhui, Jiangxi, Henan, Hubei, Hunan, Guangdong, Sichuan, Yunnan and Guizhou. ; Mongolia, North Korea and Russia are also distributed. It mostly grows on the banks of rivers, lakes and swamps in low-altitude areas. In swampy meadow areas, it often forms the dominant species and main companion species of small area plant communities. It can grow in water, and can also be found in moist sparse forests and hillsides. , roadside, wasteland, etc.

The whole plant of Artemisia annua is used as medicine and has the effects of hemostasis, anti-inflammatory, antitussive and phlegm reduction. The young stems and leaves are used as vegetables or pickles.