“三颗针”为小蘗科植物,别名狗奶子、三包针、(犭豪)猪刺、刺黄连、刺黄柏、刺溜溜、黄芦木等,生长在山区丘陵地带,是一种多年丛生小灌木。高1—2米,叶簇生,草质。其特点为叶后面长有三颗针,长2—3厘米,多在夏秋开花,淡黄色或黄色,茎灰褐色。其根茎横断面为鲜黄色,味 The “three needles” is a plant of the genus Polygonaceae. It is an alias for dog tits, three pack needles, burrs, thorns, thorns, thorns, and yellow reeds. It grows in the hilly areas of the mountains and is a type for many years. Bushes of small shrubs. 1-2 meters high, leaves clustered, grassy. Its characteristics are three long needles behind the leaves, 2-3 cm long, mostly in the summer and autumn flowers, light yellow or yellow, stem grayish brown. Its rhizomes are bright yellow in cross section.