glabrescent

Young stems terete to frequently 4-angled or subalate, glabrous, puberulous, pubescent, or tomentose, often glabrescent.

嫩圆柱状到经常地四棱形或略似翼，无毛，被微毛，毛，或被绒毛，通常后脱落。

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

小枝毛到后脱落有微小鳞屑毛与爪鳞片混生。

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，更下部鞘叶片在后脱落和斑点小瘤。