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。

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。

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.

直齿锥齿轮一般要在专用机床上加工，但能够加工大型直齿锥齿轮的生产企业极少。