Petal margin entire or shortly fimbriate and erose proximally .

短的花瓣边缘全缘或流苏状和啮蚀状下部。

Petal margin fimbriate proximally , entire or undulate distally .

上部的花瓣边缘流苏状下部，整个的或波状。

Epicalyx lobe margin densely fimbriate , densely woolly stellate pilose .

流苏状的副萼裂片边缘密，密被绵毛星状柔毛。

Culm sheath ligule much longer , fimbriate ; leaves larger .

竿箨叶舌长，流苏状得多；叶大。

Culm sheath ligule much shorter , not fimbriate ; leaves smaller .

竿箨叶舌非常短，不流苏状；叶小。