Leaves long linear, graminoid or shortly setiform, apex spinose.

叶子长线形，短刚毛，具刺先端。

Leaves in a rosette, grasslike, linear, occasionally thinly filiform, often thin and transparent, fenestrate, base sheathing.

叶莲座丛生，，线形，偶尔薄丝，通常薄而透明，，基部具鞘。