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

小枝短柔毛到后脱落有微小的屑毛混生的。

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

在日本叶鞘总显著糙硬毛瘤；最旧的，更下部的鞘叶在后脱落和斑点小瘤。