珍珠梅,蔷薇科珍珠梅属落叶灌水,高2—3米。奇数羽状复叶,小叶13-17枚,无柄,披针形,先端渐尖,边缘具尖锐重锯齿,两面无毛,托叶线状披针形,全缘。大形顶生园锥花序,花白色,蕾时似珍珠,花期5—7月。珍珠梅原产我国北方各省,东北及华北一带较多。珍珠梅喜光,但能耐荫,耐寒;对土壤要求不严,但喜土质肥沃深厚,排水良好的土壤;适应性较强,生长快,耐修剪,萌蘖性强,少病虫害,具有抗污染能力。珍珠梅的繁殖以分株和扦插为主。分株一般在早春三四月或秋季进行,在树龄5年以上的母株根际四周,采其根蘖 Pearl plum, Rosaceae Pearl plum is deciduous irrigation, 2-3 meters high. Odd pinnate, leaflets 13-17, sessile, lanceolate, apex acuminate, margin sharply serrulate, both surfaces glabrous, stipules linear-lanceolate, entire. Large-shaped topmost cone, flowers white, bud-like pearl, flowering May-July. Pearl plum origin of our northern provinces, northeast and north China more. Pear plum hi light, but shade, cold; on the soil less stringent requirements, but Xi hi fertile soil, well-drained soil; adaptable, fast growth, resistance to pruning, strong sprouting, less pests and diseases, with anti-pollution ability . Pearl plum reproduction and ramet and ramet-based. Ramets generally in early spring in March or April or fall, in the age of more than 5 years of parent plant rhizosphere around, take its root tiller