Classification
Except for the two plants Baiwei and Caowei, the following plants of the same genus are also mixed with Baiwei for use in some areas or folks.
Together with the elimination of Cynanchum amplexicaule (S. et. Z.) Hemsl. Also known as swollen three elimination, Gastropoda, hard fur. The root resembles Bai Wei, but the clustering situation is less than that of Bai Wei. Leaves oval or obovate oblong, opposite, length 4 ~ 8cm, width 2 ~ 4cm, sessile, both sides of the short ear-like extension, amphibian. Yellow green flowers. Distributed in Liaoning, Heilongjiang and other provinces, Jiangxi has used the whole plant Bai Wei.
C. amplexicaule (S. et Z.) Hemsl. var. castaneum Makino shape disappeared, but the corolla was dark purple. Distributed in Liaoning, Heilongjiang, Hebei, Hunan, Hubei, Jiangxi and Shaanxi. Heilongjiang and Liaoning had used Bai Wei as the root.
Tidal grass C. ascyrifolium (Franch. et Sav.) Matsum. Alias ​​Kogi scoop. The root resembles Bai Wei, but it is thin and dense. Distributed in the northeastern region, Jilin used the root for the use of BAI Wei.
C. inamoenum (Maxim.) Loes. Also known as Bamboo Lingxiao, Laojun Xu, her mother sewing kit. The rhizomes are horizontally long, 2–4 cm long, and the roots are bent into groups of up to 15 cm. Located in Liaoning, Hebei, Henan, Shandong, Shanxi, Anhui, Zhejiang, Hubei, Hunan, Shaanxi, Gansu, Sichuan, Guizhou, Tibet and other provinces. Sichuan had Bai Wei as its root.
The ragweed C. forrestii Schltr. The root resembles the white whitish but it is sparse, yellow-white or off-white. Some rhizomes up to 3cm. Distributed in Gansu, Yunnan, Sichuan, Guizhou, Tibet and other provinces. Part of Yunnan is Baiwei.
Xu Changqing C. paniculatum (Bge.) Kitag. Also known as 寥åˆç«¹, 瑶山竹, 一香. This product is similar to Baiwei in shape, but the root is fine, the surface is yellow-brown, some are purplish, there are fine vertical stripes, the cross section is powdery, there is a strong aroma and spicy flavor. Henan and Shaanxi once used Bai Wei as their roots for medicine.
Yunnan Waer Teng Tylophora yunnanensis Schltr. Also known as money package, wild pepper. The roots resemble Baiwei, gray and yellow. Red-brown to dark brown. Distributed in Yunnan, the local roots as Bai Wei medicine.
Egg ova T. ovata (Lindl.) Hook.ex Steud., also known as thirty-six swing, white dragons, double fly butterfly. The root resembles Baiwei. Divisions in Yunnan, Guangxi, Guangdong, Taiwan and other provinces. Yunnan takes Bai Wei as its root.
Compositae hairy gerbera (rabbit ear style) Gerbera piloselloides Cass. Guangdong and Guangxi provinces once misled the whole grass as "Baiwei" and used it as a "white eyebrow". Leaves are basal leaves, stalked, leaf blade obovate, densely villous below, gray-brown, less furry above, dark brown in color, long white hairs on roots, and easily differentiated from white velvet.
The Liliaceae plant, Pteromanthus cinnamomea (Discoporum longifolia), Disporum b dinieri (L vl. et Vant.) Wanget Tang or Wanshou Zhu, D. sessile (Thunb.) D. Don, Sichuan, Guizhou Medicine. The stalks above the rhizomes are tan-colored papery scales; roots clustered like ponytails, grayish yellow or light yellowish brown, with pronounced longitudinal wrinkles, light and sticky.
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