veinless

stipules persistent, light green, oblong, 5-8 mm, membranous, veinless ;

托叶宿存，淡绿，长方形，5-8毫米，膜，无脉；

leaf blade small, entire or fimbriate-ciliate, veinless, 1-channeled on back, sometimes plane or convex.

叶片小，全缘的或流苏状具缘毛，无脉，在背面具1沟，有时平或凸。

segments 5, free, ovate to suborbicular, veinless, abaxially with a transverse wing near apex, adaxially concave, margin membranous.

裂片5，离生，卵形到近圆形，无脉，背面具横裂翅近先端，凹，边缘膜质。

lower glume ca. 0. 5 mm, veinless, obtuse or emarginate;

更低的颖片约0.5毫米，无脉，钝的或微缺；

septum complete, translucent or opaque, veinless or with a distinct midvein;

完全的隔膜，不透明的半透明或，无脉或具一离生中脉；