托叶完全抱茎的或者有时半抱茎。
完全叶由叶柄、叶片和托叶组成。
这些维束管在各个小叶基部将成为托叶的维管组织部分。
These bundles will become part of the vascular tissue of the stipels at the base of the individual leaflets.
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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