凤尾兰(Yucca gloriosa L.)又名菠萝花、丝兰,系百合科(Liliaceae)丝兰属常绿灌木。其植株特征:茎短,通常不分枝或少分枝,叶剑形,由基部渐尖至顶端尖硬,呈簇生状。地栽植株叶长40～75厘米,宽3～7厘米,盆栽后叶长可缩短至10～20厘米,宽2～3厘米。叶面革质,具蜡层和白粉,边缘光滑。凤尾兰原产北美东部及东南部,现全国各地的园 Yucca gloriosa L., also known as pineapple, yucca, belongs to the evergreen shrub of the genus Liliaceae. The characteristics of its plants: stems short, usually not branched or less branched, leaf sword-shaped, gradually tapering from the base to the top of the sharp-hardened, was clustered. Planting leaves of 40 to 75 cm long and 3 to 7 cm wide, leaf length after potting can be shortened to 10 to 20 cm wide and 2 to 3 cm. Leaves leathery, with wax layer and white powder, smooth edges. Pteris originated in eastern and southeastern North America, is now a garden around the country