First, the disciplines are classified differently.
1, Cynanchum auriculatum
Polygonum multiflorum Thunb, alias Polygonum multiflorum Thunb. On Mount Tai, it belongs to Asclepiadaceae and Chenopodium.
2. Polygonum multiflorum Thunb
Polygonum multiflorum Thunb. , alias Polygonum multiflorum Thunb. Polygonum multiflorum Thunb. Polygonaceae, Polygonum multiflorum Thunb.
Second, the morphological characteristics are different.
1, Cynanchum auriculatum
(1), cowhide disappear also known as flying cranes, tendrils and semi-shrubs. With milk. The root is thick, cylindrical, with dark brown surface and white cross section. Stems are puberulent. Leaves opposite, cymes corymbose, axillary; The total pedicel is cylindrical, with about 30 flowers, oval to inverted wedge-shaped seeds, narrow wings at the edge and a bunch of long white hair at the top. It blooms in June-September and bears fruit in July 7- 10/0.
② Euphorbia leaf cowhide is also known as Taishan Polygonum multiflorum Thunb, Shandong Polygonum multiflorum Thunb, and sweet potato, and the big root cowhide is a climbing semi-shrub. With milk. Usually connected by rosary beads. The stems are slender, tough and slightly hairy. Leaves opposite; The leaves are halberd-shaped, the base is heart-shaped, both sides are hairy, and the leaves are dense; Umbelliform cymes are axillary, with radial corolla, and white or yellow-green hairy seeds with many white filaments at the top. The flowering period is June-July, and the fruit period is 7-65438+ 10.
2. Polygonum multiflorum Thunb
Perennial plants. The tuberous root is thick, rectangular and dark brown. Hairless, slightly rough, lignified at the lower part. Leaves ovate or oblong, inflorescence conical, terminal or axillary, branched, with thin longitudinal edges and densely covered with small protrusions along the edges; Perianth fruit is suborbicular, achene ovoid, 3-sided, dark brown and shiny, surrounded by persistent perianth. The flowering period is August-September, and the fruiting period is 9-65438+1October.
Third, the distribution of habitats is different.
1, Cynanchum auriculatum
(1), born in stone crevices on hillsides, bushes or wetlands along roadsides, walls, rivers and ditches below 3500m above sea level. Distributed in East China, Central South China, Hebei, Shaanxi, Gansu, Taiwan Province, Sichuan, Guizhou, Yunnan and other places. Shandong, Jiangsu and Anhui Dingyuan all have cultivation.
② Born in slopes, bushes or crevices of rocks below1500m above sea level. Distributed in Liaoning, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Shandong, Henan, Anhui, Jiangsu and other places.
2. Polygonum multiflorum Thunb
Thickets in valleys, forests on hillsides, crevices beside ditches, 200-3000m above sea level. Produced in southern Shaanxi, southern Gansu, East China, Central China, South China, Sichuan, Yunnan and Guizhou.
Refer to the above? Baidu Encyclopedia-Polygonum multiflorum Thunb, Baidu Encyclopedia-Polygonum multiflorum Thunb