为薔薇科落叶灌木,树高約丈許。春季开白色五瓣花,数花叢生。結实为梨果狀核果,圆球形,初青,熟則表皮深紅色,內部白色或粉紅色。果实頂端宿蕚明显,种籽(核)淡黄色坚硬。葯用部份为果实。种类:分兩种。一种产山东、河北、河南一带,植物名“山里紅”。另一种产長江流域一带,植物名“野山楂”,又称“南山楂”。 It is a deciduous shrub of the Rosaceae. In spring, white five-petal flowers bloom, and several flowers bloom. The fruit is a pear-fruited stone fruit, spherical and greenish, ripe reddish-red skin and white or pink inside. The fruit at the top of the pod is clearly visible, and the seed (nucleus) is light yellow and hard. The medicinal part is fruit. Species: In two categories. A production of Shandong, Hebei, Henan area, the plant name “mountain red.” Another area along the Yangtze River Valley, the name of the plant is “wild mountain”, also known as “Nanshan Mountain.”