Atractylodes macrocephala () is a species of Atractylodes that grows in central China. The roots are consumed as a Chinese herbal medicine.
Atractylodes macrocephala are herbs that reach a size of 20-60 cm in height. Thick rhizome. Stem branched from the base, glabrous. Leaves similar to paper, glabrous. The middle cauline leaves petiolate, petiole 3-6 cm; leaf blade divided almost at the base into 3-5 segments, lateral segments entire or bipartite, oblanceolate to narrowly elliptical, 4.5-7 x 1.5-2 cm, with the terminal segment being the largest. The tall cauline leaves are similar but smaller. Outer bracts sessile, elliptical/narrowly elliptical, entire margin; the inner bracts pinnatisects. Involucre broadly campanulate, 3-4 cm in diameter. Phyllaries are numerous, imbricated, with white cobwebby margin and apex obtuse; outer phyllaries ovate to triangular, 6-8 ÃÂ 3-4 mm, bracts lanceolate. Corolla red-purple, 1.7 cm. Achene obconic, 7.5 mm, hairs white. Dirty white papus, 1.7 cm. Flowers and fruits from August to October. It has a chromosome number of 2n = 24 *.
It is found in the grasslands, forests, at an altitude of 600-2800 meters, in Anhui, Chongqing, Fujian, Guizhou, Hubei, Hunan, Jiangxi and Zhejiang in China.
Atractylodes macrocephala is cultivated throughout China. The rhizomes, called Bái zhú (ç½æ¯) are used in traditional Chinese medicine for multiple medicinal purposes, especially those concerning spleen issues and other gastrointestinal issues. Modern research shows A. macrocephala contains many pharmacologically active chemical compounds.