大丽花又名大理花、大丽菊、西番莲、天竺牡丹、地瓜花、洋芍药。菊科大丽花属多年生草本,原产墨西哥及危地马拉海拔1500m以上的山地。世界各地均有栽培,我国各地园林中也能见到。1基本特征1.1形状特征大丽花是多年生草本植物,株高1.5～2m,地下肉质块根膨大呈椭圆形,茎下立,茎粗最大可达8～9mm,多分枝,叶大,羽状分裂,上部叶有时不分 Dahlia, also known as Dali flowers, Dahlia, passionflower, peony, sweet potato flowers, foreign peony. Compositae Dahlia is a perennial herb, native to Mexico and Guatemala at an altitude of 1500m above the mountain. Cultivated throughout the world, we can see it in all parts of China. 1 Basic characteristics 1.1 Shape characteristics Dahlia is a perennial herb, plant height of 1.5 ~ 2m, the underground fleshy roots bulge oval, stem upright, stem up to a maximum of 8 ~ 9mm, multi-branched, large leaves, feather- Sometimes leaves no distinction