[source] it is the root of Salix mandshurica.
[plant morphology] red willow, also known as puliu (Erya), Puyang (Cui Bao's ancient and modern notes), salicylic (Shuijing notes), Qingyang and Pengfu (compendium).
Shrubs, up to 4 m high. Branchlets yellowish green or purplish, glabrous. Leaves alternate or nearly opposite; oblanceolate, rarely long elliptic obovate, 5-10 cm long, 0.8-1.5 cm wide, apex pointed or acuminate, base cuneate, serrate, entire near base, with pale powder below, young leaves hairy; petiole 4-8 mm long. Catkin often curved, male inflorescence 1.5-2.5 cm long, stamens 2, filaments all united, anthers pale red, glands 1, born on the ventral; female inflorescence about 2 cm long, ovary ovate, sessile or subsessile, densely hairy, style, stigma 2-lobed; bracts obovate, above the middle dark purple black, hairy. Inflorescence 2-3 cm long, hairy; capsule 2-lobed. The flowering period is from March to May. The fruit ripens in April to June.
It is distributed in Northeast China and the Yellow River Basin. Huaihe River Basin and other places.
The bark (white bark of Populus deltoides) and branches and leaves (branches and leaves of Populus deltoides) of this plant are also used for medicine. Please refer to the special section for details.
[functions and indications] Compendium: "it is used to treat the swelling of breast carbuncle. It's a living challenge. "
Chinese PinYin : Shui Yang Gen
nightshade. Long Kui
Plumbago. Bai Hua Dan
Balsam pear. Jia Ku Gua
Banxiaqu. Ban Xia Qu
Folium repens. Dui Ye Cao
Yellow Goat oil. Huang Yang You
Indigo. Lan Dian
Cat's head. Mao Tou
Rubble. Meng Shi
Eggplant root. Qie Gen
Millet slave. Su Nu
Clematis japonica. Yin Xian Cao