叶片具两面有鳞的，全缘的鳞片，或浅裂的。
Leaf blade with both surfaces scaly, scales entire, or lobed.
幼枝具紧密的铁锈色的鳞片。
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。
Stock stout, forming an erect trunk sometimes up to 1 m tall, apex densely covered with subulate shining brown scales.
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