Stock stout forming an erect trunk sometimes up to1m tall apex densely covered with subulate shining brown scales.
根状茎粗短，直立，高可达1米，顶端密被棕褐色、光泽的钻形鳞片。
2
Stock stout, forming an erect trunk sometimes up to 1 m tall, apex densely covered with subulate shining brown scales.
根状茎粗短，直立，高可达1米，顶端密被棕褐色、具光泽的钻形鳞片。
3
The straight subulate gears are commonly been machining on special machine tool, but the factories of machining the large-size straight subulate gears are rather less.