sheaths

leaf sheaths equitant;

叶鞘重叠；

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；旧的，更下部的鞘叶片在后脱落和小。