基本介绍

黄花风铃木(学名:Handroanthus chrysanthus (Jacq.) S.O.Grose),为是紫葳科风铃木属落叶乔木,最高可达5米,原产墨西哥、中美洲、南美洲,为巴西国花。1997年前中国自南美巴拉圭引进栽种。

其会随着四季变化而更换风貌的树。春天枝条叶疏,清明节前后会开漂亮的黄花;夏天长叶结果荚;秋天枝叶繁盛,一片绿油油的景象;冬天枯枝落叶,呈现出凄凉之美,这就是黄花风铃木在春、夏、秋、冬所展现出不同的独特风采。

形态特征

落叶乔木,高4-5米,树皮有深刻裂纹,茎干枝条轻软纤细纹路清晰;叶对生,纸质有疏锯齿,掌状复叶,柄长,小叶4-5枚,五叶轮生,卵状椭圆形,全缘或疏齿缘,全叶被褐色细茸毛,先端尖,叶面粗糙;

圆锥花序,顶生,花两性,萼筒管状,不规则开裂,花冠金黄色,漏斗形,长2.5-8厘米,也像风铃状,五裂,花缘皱曲,但为两侧对称花,甜香,雄蕊4枚,二强,不突出;子房二室;

果实为蓇葖果,长条形向下开裂,长18-25厘米,有许多绒毛以利种子散播,种子具翅;先花后叶,春季约3-4月间开花,花期较短,约10-15天。

生长习性

黄花风铃木性喜高温,最佳生长温度在23—30℃,最低温度不低于5℃,在中国仅适合热带、亚热带地区栽培。华南地区北部冬季低温,又多雨潮湿,需注意寒害。栽培土质以富含有机质之砂质壤土为最佳。排水、日照需良好。

品种分类

黄花风铃木,拉丁文名Tabebuia chrysantha.植物界;被子植物门;双子叶植物纲;管状花目;紫葳科;风铃木属;黄花风铃木种。

繁殖方法

黄花风铃木在中国仅适合于热带亚热带地区栽培,可用播种、扦插或高压法繁殖,但以播种为主,春、秋为适期。栽培土质以富含有机质之土壤或砂质土壤最佳。性喜高温,生育适温23-30℃。

主要价值

黄花风铃木四季变化明显,春华、夏实、秋绿、冬枯,赋予季节以色彩。春天风铃状黄花花团锦簇,是春天来临时的指标花卉;夏天萌生的嫩芽满枝桠,接着是翅果纷飞;秋天枝叶繁茂,葱葱郁郁的绿色;冬天枝枯叶落,满是沧桑。

黄花风铃木花经3年培育,出圃应用于园林、庭院等绿化。黄花风铃木花色和树形优美,是花卉苗木观赏树种中的上品。可在园林、庭院、公路、风景区的草坪、水塘边作庇荫树或行道树,适宜单独种植或并列种植观赏。黄花风铃木树形美观、花色艳丽,生长快,适应性强,是优秀的园林绿化树种。

黄花风铃木是一种美丽又“低调”的树种,虽然颜值非常高,但对其有了解的人并不多更别它的提栽培方法了。那么,今天植物之家的小编就为大家带来黄花风铃木的栽培技术,一起来学习下吧!
添加时间:2018年03月05日 更新时间:2018年03月05日
黄花风铃木会随着四季变化而更换树的风貌。春天枝条叶疏,清明节前后会开漂亮的黄花,这时候是它最漂亮的时候。但往往越漂亮的事物越容易招惹害虫侵袭,下面就给大家介绍黄花风铃木病的虫害及防治。
添加时间:2018年03月03日 更新时间:2018年03月05日
添加时间:2018年03月03日 更新时间:2018年03月03日

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