形态特征多年生粗壮草本植物,经年生长的植株可形成圆柱形,地上根状茎部分黄褐色至黑褐色,于先端展叶开花。叶片多数,但成年植株叶片多为9枚(或3的倍数)。叶为狭椭圆形,先端尖,全缘,叶面有贴生的柔软疏毛,叶背也同样具短柔毛。叶色从翠绿到蓝绿色变化,叶片主脉 Morphological characteristics Perennial herbaceous plants, after years of growth of the plant can form a cylindrical, rhizome on the ground part of the brown to dark brown, leaf-opening in the flowering. The majority of leaves, but the majority of adult leaves more than 9 (or a multiple of 3). Leaves narrowly elliptic, apex pointed, entire, leaf surface with soft hair sparse hair, leaves the same pubescent. Leaf color from green to blue-green changes, the main leaf blade