观赏草的定义为:以线形或披针形的叶片为主要观赏对象,在园林中当作灌木或地被应用,包括禾本科、莎草科、百合科、香蒲科、天南星科、花蔺科、灯心草科等植物的统称。其中包括传统观叶植物的麦冬、吉祥草等植物。在园林绿化应用中,除草坪草外,以叶丛和花序为主要观赏部位,可广泛用于各种生境造园的以禾本科植物为主的植物统称。 Ornamental grass is defined as: the linear or lanceolate leaves as the main ornamental object, used as a shrub or ground in the garden, including Gramineae, Cyperaceae, Liliaceae, Typha, Araceae, Flowers Lin Branch , Kaffir grass and other plants collectively. Including the traditional foliage plants Ophiopogon, auspicious grass and other plants. In landscaping applications, in addition to lawn grass, leaves and inflorescence as the main ornamental parts, can be widely used in a variety of habitats to plant grasses dominated plants collectively.