1. Branchlets, leaf rachis, leaf petiole, and lower side of leaflet midrib
minutely pubescent.
小枝,叶轴,叶柄和传单中脉稍具短柔毛的更低的边。
2. And some
minutely crystalline varieties, such as flint, may be opaque and of a waxy luster.
某些细小的结晶变种,如燧石,可能是不透明的,并具有腊样的光泽。
3. Culm sheath auricles falcate, long. Leaf blade abaxially
minutely pubescent along one or both sides of midrib.
竿箨耳廓镰刀形,长。沿着中脉的两面的那个或的叶片背面稍具短柔毛。