Branchlets pubescent to glabrescent with minute scurfy hairs intermixed with unguicular scales.

小枝具短柔毛到有微小的鳞屑毛与具鳞片混生的。

In Japan the leaf sheaths are always conspicuously tuberculate-hispid; the older, lower sheaths with disarticulated blades are glabrescent and spotted with tubercles.

在日本叶著具糙硬毛具瘤；最旧的，更下部的具叶片在和斑点具小瘤。