It appears that the plant is called abutilon, or Chinese Lantern. It is a twiggy and lanky plant but the flowers are prolific. 看起来这种植物是青麻或称中国灯笼,是种枝干细长但多花的植物.
abutilon
[ noun ] herbs or shrubs or small trees: flowering maple; Indian mallow <noun.plant>
Abutilon \A*bu"ti*lon\, n. [Ar. aub[=u]t[=i]l[=u]n.] (Bot.) A genus of malvaceous plants of many species, found in the torrid and temperate zones of both continents; -- called also {Indian mallow}.