彩叶草(Coleus blumei-hybr),以不断变幻着的色彩装饰着它的花样年华……它的名字很多,洋紫苏、老来少、鞘蕊花等,但都不及“彩叶草”这么大众化。彩叶草是唇形科鞘蕊花属多年生草本,常作一年生栽培。直立的植株高20～80厘米,茎四棱,全株密被细毛。叶对生,叶形有许多变化,大多为卵圆形,一些新品种有柳叶形、螺旋形和不规则的形状。叶缘有明显或不明显锯齿。其先端尖底部椭圆,有柄或无柄。叶色有红、橙、粉、黄、紫红、绿甚 Coleus blumei-hybr, with its ever-changing colors decorated with its Mood for Love ... ... its name many, perilla, less than old, Coleus flower, but less than “Coleus” So popular. Coleus is a Labiatae laburnum perennial herb, often for annual cultivation. Erect plants 20 to 80 cm tall, stems quadrate, whole plant dense hairy. Leaf opposite, many changes in leaf shape, mostly oval, some new varieties are willow-shaped, spiral and irregular shape. Leaf margin obvious or not obvious serrated. Its apex pointed at the bottom of the ellipse, with or without handle. Leaf color red, orange, pink, yellow, purple, green even