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为丰富园林植物种类,洛阳市园林系统十分重视园林新树种的引种工作,目前,已引种供露地栽培的园林观赏植物200余种。新增加的树种有重阳木、无患子、马挂木、女贞、七叶树、乌桕、水杉、柳杉、雪松、龙柏、广玉兰、枇杷、石楠、海桐、黑松、蜀桧等。一些著名的花木和观叶植物如木芙蓉、樱花、红叶梨、白玉兰、垂丝海棠、红叶小檗、鸡爪枫、瓜子黄杨、雀舌黄杨、棕榈、蚊母、云片柏、月桂等,在园林建设中也发挥着显著作用。近年来,引种重点移向本地山区的野生花木,如猬实、花楸、灯台树、紫斑牡丹、栒子等。
To enrich the species of garden plants, Luoyang City Garden System attaches great importance to the introduction of new species of garden trees. At present, more than 200 garden ornamental plants have been introduced for field cultivation. The newly added species are Chongyang wood, Sapindaceae, horse hanging wood, privet, horse chestnut, Aescin, metasequoia, cedar, cedar, cypress, Magnolia grandiflora, loquat, heather, Pittosporum, black pine, Wait. Some famous flowers and foliage plants such as hibiscus, sakura, red pears, magnolia, hanging Begonia, Berberis, Maple, Maple, palm, mosquito, cloud cypress, laurel and so on, In the garden construction also plays a significant role. In recent years, the introduction of focus to the local mountainous areas of wild flowers, such as hedgehog, Sorbus, Itaewon, purple peonies, prickly heat and so on.