托叶鞘通常具绿色的叶状的翅的先端；叶片5 - 12厘米宽。
Apex of ocrea usually with green leaflike wing; leaf blade 5-12 cm wide.
根状茎弯曲；托叶鞘：下半部分绿色，上半部分棕色，半裂至中部。
Rhizomes curved; ocrea: lower part green, upper part brown, cleft to middle.
根状茎弯曲；托叶鞘：下半部分绿色，上半部分棕色，半裂至中部。
Rhizomes curved; ocrea: lower part green, upper part brown, cleft to middle.
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