马缨丹Lantana camara L,为马鞭草科,马缨丹属Lantana常绿灌木,原产美洲热带地区,我国南北都有引种栽培,但以广东、广西、福建、台湾、浙江、云南、四川等省区为多,可长年种植室外,为常见的庭院栽培观赏植物。形态特征 马缨丹为直立灌木或藤状灌木,茎枝四棱形,具纵浅槽和倒钩状短皮刺。单叶对生,叶片卵形或长卵形,少有卵状椭圆形,两面被糙毛,先端渐尖,基部心形或圆形,稍下延,边 Lantana camara L is verbenaceae, Lantana is an evergreen shrub native to the tropical region of the Americas, both in North and South China have introduced cultivation, but in Guangdong, Guangxi, Fujian, Taiwan, Zhejiang, Yunnan, Sichuan and other Provinces and more, can grow for many years outdoor, ornamental plants for the common courtyard cultivation. Morphological characteristics Lantana as erect shrubs or cane shrubs, stems and limbs four prismatic, with shallow groove and barbed short prickles. Leaves simple, ovate or long ovate, rarely ovate-elliptic, both surfaces hairs, apex acuminate, base cordate or rounded, slightly lower side, margin