宁安山楂(Cratcocgus rinensis)又名山楂混子,蔷薇科山楂属。落叶亚乔,树形开张高2—4米。一、二年生的枝条没有刺,当年小枝灰棕色,无光泽、冬芽棕黑色倒卵形无光泽。叶宽卵形长5—6厘米、宽4—5厘米先端急尖,基部宽楔形,边缘有三对裂片,最下边一对较深,有重锯齿、叶柄粗而短约2—3厘米。伞房花序,多花密集、花梗长2—3厘米,花萼钟状、萼片五裂。花白色、花瓣长园形,花药棕褐色。萼片宿存。果实近球形、直径一厘米,黄红色和鲜红色。成熟后半透 Cunninghamia crataegi (Cratcocgus rinensis), also known as hawthorn mixed, Rosaceae hawthorn. Deciduous Yaqiao, the tree opened 2-4 meters high. One or two years of branches without thorns, then branchlets beige, dull, winter bud brown black obovate matte. Leaves broadly ovate, 5-6 cm long, 4-5 cm wide. Apex acute, base broadly cuneate, margin three pairs of lobes, lowermost pair being deeper, heavily serrate, petiole roughly 2-3 cm shorter. Corymbs inflorescences densely populated, pedicels 2-3 cm long, calyx campanulate, sepals cracked. Flowers white, petals long park-shaped, anther tan. Sepals persistent. Fruit nearly spherical, one centimeter in diameter, yellow-red and bright red. Mature translucent