形态特征及常见品种形态特征彩叶草(Coleus blumei)为唇形科鞘蕊花属植物,也称五彩苏、老来少、五色草、锦紫苏。为多年生草本植物,老株可长成亚灌木状,但株形难看,观赏价值低,故多作一、二年生栽培。株高25cm～30cm。全株有毛,茎为四棱,基部木质化,单叶对生卵圆形,先端长渐尖,缘具钝齿牙,叶可长15cm,叶 Morphological characteristics and morphological characteristics of common species Coleus blumei is a Labiatae species Coleus, also known as multicolored Su, the old and the less, colored grass, Coleus. As a perennial herb, the old plant can grow into subshrubs, but the ugly shape of the plant, ornamental value is low, so many for one or two years of cultivation. Plant height 25cm ~ 30cm. All hairy, stems four edges, the base of the lignification, single ovate oval, apex long acuminate, edge with blunt teeth, the leaves can be long 15cm, leaves