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What is atractylodes macrocephala

Views: 0     Author: Site Editor     Publish Time: 2021-12-13      Origin: Site

Introduction of Atractylodes macrocephala

Atractylodes macrocephala is a perennial herb of the genus Atractylodes in the Asteraceae family, with a height of up to 60 cmbai zhu herb benefits - OkayHerb and a nodular rhizome. The stems are erect, all smooth and hairless. The leaves are alternate, the leaves are pinnately lobed, and the lateral lobes are oblanceolate, elliptical or oblong. The apical lobes are larger than the lateral lobes. The texture of all the leaves is thin, papery, green on both sides, hairless, solitary stems of inflorescence heads The top of the branch, the bracts are green, with needle-like pinnately splits. The involucre is broad and bell-shaped, and the top is purple-red. The achenes are inverted cone-shaped and bloom and bear fruit from August to October.

It is distributed in Jiangsu, Zhejiang, Fujian, Jiangxi, Anhui, Sichuan, Hubei, Hunan and other places in China. This species is cultivated.

There are also many commercialized names for this species, such as according to the shape of the rhizome of the crude drug, or crane-shaped, gold thread, or atractylodes leg, named according to the place of production, such as Huizhu, named according to the season when the rhizome was unearthed. Such as winter surgery. The quality of Yushu (Zhejiang Yuqian) is better. Medicinal function medicine for spleen transport, bitter, warm and pungent in nature, and has the effects of drying dampness, resolving turbidity, and relieving pain.

Morphological characteristics of Atractylodes macrocephala

Perennial herb, 20-60 cm tall, nodular rhizomes; stems erect, usually branching from the middle to the bottom, all smooth and glabrous.

The leaves are alternate, the middle stems and leaves have a petiole 3-6 cm long, and the leaves are usually 3-5 pinnately split; rarely mixed and undivided, and the leaves are oblong. 1-2 pairs of lateral lobes, oblanceolate, elliptical or oblong, 4.5-7 cm long and 1.5-2 cm wide; apical lobes are larger than lateral lobes, oblong oval, oblong or elliptical; From the middle stems and leaves upwards and downwards, the leaves become smaller, and split like the middle stems and leaves. The lower leaves of the inflorescence are not split, oval or oblong, sessile; or most of the stems and leaves are not split, but always mixed There are 3-5 pinnately divided leaves. All leaves are thin, papery, green on both sides, glabrous, with long or short needle-like fringe or fine thorny teeth on the edges or lobes.

The heads are solitary at the top of the stems and branches. The plant usually has 6-10 heads, but does not form an obvious inflorescence arrangement. The bracts are green, 3-4 cm long, and needle-like pinnately split. The involucre is large, broadly campanulate, 3-4 cm in diameter. Involucral bracts 9-10 layers, arranged in tile-like shape; outer layer and middle outer layer are long oval or triangular, 6-8 mm long; middle layer is lanceolate or elliptic-lanceolate, length 11-16 mm; innermost layer Wide linear, 2 cm long, purple-red top. The tops of all bracts are blunt, with white silk hairs on the edges. The floret is 1.7 cm long, purple-red, and the crown is 5-lobed.

The achenes are inverted cone-shaped, 7.5 mm long, and are covered with dense white long straight hairs. The crested bristles are feather-like, filthy white, 15 cm long, and the bases are combined into a ring. Flower and fruit period from August to October.

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