大兴区15种常见木本植物花期物候观测与分析

Observation and Analysis of Flowering Phenology for Fifteen Common Woody Plants in Daxing District

对大兴区15种常见木本植物的花期物候进行了2年的观测,分析其花期物候特点,为当地园林绿化植物配置提供理论依据。根据调查结果可将这15种植物分为3类:早花短花期(Ⅰ)有迎春、山桃、连翘、金钟、玉兰、二乔玉兰、西府海棠、榆叶梅、紫荆、紫丁香;晚花中花期(Ⅱ)有红王子锦带、栾树;晚花长花期(Ⅲ)有紫薇、木槿、月季。春季开花植物,随气温的升高,出现开花时间提早现象。

Observing the flowering phenology of fifteen common woody plants in Daxing District for two years,the phonological characteristics of flowering stage were analyzed to provide theoretical basis for the allocation of local landscaping plants.According to the results of investigation,the fifteen species of plants can be divided into three categories:Jasminum nudiflorum,Prunus davidiana,Forsythia suspensa,Forsythia viridissima,Magnolia denudata,Magnolia×soulangeana,Malus micromalus,Amygdalus triloba,Cercis chinensis,Syringa oblate belong to early flower&short flowering stage(Ⅰ);Weigela florida,Koelreuteria paniculata belong to late flower&middle flowering stage(Ⅱ);Lagerstroemia indica,Hibiscus syriacus,Rosa chinensis belong to late flower&long flowering stage(Ⅲ).Spring flowering plants flowered early with the increase of temperature.