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.

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给棕色绿色的蒴果，干燥时或黄的棕色，近球状，直径约6毫米，具4长和锋利翅，多于约1厘米当完全发育时。

Capsule green to brown, or yellow-brown when dry, nearly globose, ca. 6 mm in diam., with 4 long and sharp wings, more than ca. 1 cm when fully developed.

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四龄若虫由背面观具明显翅芽；

The wing buds were found on the 4 th instar dorsal view.

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