Ligule Emarginate叶舌微缺
Ligule Lacerate叶舌撕裂
Ligule Brownish叶舌带褐色
Ligule Exserted叶舌外露
Ligule Depressed叶舌压下
ligule e叶舌
Ligule Oblong叶舌长方形
Ligule Elliptic叶舌椭圆形
leaf ligule叶舌
N（名词） a membranous outgrowth at the junction between the leaf blade and sheath in many grasses and sedges 在草和莎草的叶片和鞘状包覆物之间结合点的膜状生长物