Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.
根状茎长和薄
或具短小节；三
，
窄柄；总苞具柄；雌蕊和瘦果具明显花柱和小，通常线形柱头。(8
；三个一套；三个Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.
根状茎长和薄或具短小节；三，窄柄；总苞具柄；雌蕊和瘦果具明显花柱和小，通常线形柱头。(8
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