欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)又(you)稱大夫樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)、燈籠樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)，為(wei)(wei)無(wu)患子科欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)屬樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)種(zhong)(zhong)。欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)的科屬有5種(zhong)(zhong)，我(wo)國(guo)產(chan)4種(zhong)(zhong)，而(er)(er)其中又(you)以(yi)黃(huang)山(shan)(shan)欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)和北(bei)京欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)較(jiao)為(wei)(wei)普遍，北(bei)京欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)我(wo)們一般習慣上成為(wei)(wei)北(bei)欒(luan)(luan)(luan)(luan)，黃(huang)山(shan)(shan)欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)稱之(zhi)為(wei)(wei)南欒(luan)(luan)(luan)(luan)。黃(huang)山(shan)(shan)欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)由于(yu)其耐寒(han)能力(li)較(jiao)差，在我(wo)國(guo)北(bei)方地(di)區種(zhong)(zhong)植不易成活。 欒(luan)(luan)(luan)(luan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)為(wei)(wei)落葉(xie)喬木，是一種(zhong)(zhong)喜光，稍耐半蔭的植物。樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)形(xing)高大而(er)(er)端正，枝葉(xie)茂密而(er)(er)秀麗，春季紅葉(xie)似醉，夏(xia)季黃(huang)花滿樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)，入秋葉(xie)變黃(huang)色，秋季丹(dan)果滿樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)，是極為(wei)(wei)美麗的行道觀(guan)賞(shang)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)種(zhong)(zhong)。

欒樹的(de)(de)特征(zheng)為適應性強(qiang)、季相(xiang)明顯，有較(jiao)強(qiang)抗煙塵能力，是(shi)理(li)想(xiang)的(de)(de)行道、庭蔭等景觀綠化樹種(zhong)(zhong)，也(ye)是(shi)工業污染區配植(zhi)的(de)(de)好(hao)樹種(zhong)(zhong)，同時(shi)欒樹也(ye)是(shi)很(hen)好(hao)的(de)(de)水土(tu)保持(chi)及荒(huang)山造林(lin)樹種(zhong)(zhong)。欒樹價格近(jin)幾年一直保持(chi)在(zai)稍高的(de)(de)價位，所(suo)以(yi)種(zhong)(zhong)植(zhi)欒樹的(de)(de)經濟效益和市場前景還是(shi)比(bi)較(jiao)看好(hao)的(de)(de)。