Artemisia selengensis is a perennial herb of Compositae. This plant has a fragrance. There are creeping underground stems. The stems are few or simple, and the height can reach 150 cm. At first, they are green-brown, then purple-red, with obvious longitudinal edges. The lower half is usually semi-lignified, and the upper half has branches with heads.

The leaves are papery or thin, the top is green, hairless or nearly hairless, and the back is densely covered with gray spider silk velveteen; The lower leaves of the stem are broadly ovate or ovate, the lobes of the lobed leaves are linear or linear-lanceolate, and the petiole has no jia ye;

The lower leaves usually wither at flowering; The middle leaves are nearly palmate, with many heads, oblong or broadly ovate, and bracts ovate or suborbicular. At first, the back was sparsely covered with gray spider-like short hair, and the inflorescence was small and convex. The corolla of female flower is narrow and tubular, and the style is slender. It blooms and bears fruit from July to June.

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Distributed in China Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Shandong, Jiangsu, Anhui, Jiangxi, Henan, Hubei, Hunan, Guangdong, Sichuan, Yunnan, Guizhou and other provinces; Mongolia, Korea and the Soviet Union are also distributed.

Most of them live on the banks of rivers and lakes and swamps in low altitude areas, and the dominant species and main accompanying species of small area plant communities are often formed in swamp meadow areas; It can grow in still water or in wet sparse forests, hillsides, roadsides and wasteland.