囊瓣芹属（学名：Pternopetalum Franch.）是伞形科下的一个属，为一年生或多年生草本；叶一至三回三出分裂或三出式羽状分裂；复伞形花序，通常无总苞片，小总苞片1－4，线状披针形，小伞形花序有花2－4，花柄极不等长；萼齿披针形或三角形；花瓣长倒卵形或阔卵形，下部狭长，基部呈囊状；花柱基圆锥形，花柱直立、伸长，少数种类花柱较短而弯曲；果卵形或长卵形，两侧压扁，果棱光滑或有丝状齿，每棱槽内有油管1－3，合生面2－4。囊瓣芹属共有约25种。中国有22种。
组 | 种 |
|---|---|
鹧鸪山囊瓣芹Pternopetalum trifoliatum Shan et Pu | |
齿棱组Sect. Denterioideae Wolff | 散血芹Pternopetalum botrychioides (Dunn) Hand.-Mazz. 骨缘囊瓣芹Pternopetalum cartilagineum C. Y. Wu 囊瓣芹Pternopetalum davidii Franch. 嫩弱囊瓣芹Pternopetalum delicatulum (Wolff) Hand.-Mazz. 洱源囊瓣芹Pternopetalum molle (Franch.) Hand.-Mazz. 裸茎囊瓣芹Pternopetalum nudicaule (de Boiss.) Hand.-Mazz. 川鄂囊瓣芹Pternopetalum rosthornii (Diels) Hand.-Mazz. 五匹青Pternopetalum vulgare (Dunn) Hand.-Mazz. 滇西囊瓣芹Pternopetalum wolffianum (Fedde) Hand.-Mazz. 宜良囊瓣芹Pternopetalum yiliangense Shan et Pu |
蕨叶组Sect. Pteridophyllae Wolff | 丛枝囊瓣芹Pternopetalum caespitosum Shan 心果囊瓣芹Pternopetalum cardiocarpum (Franch.) Hand.-Mazz. 澜沧囊瓣芹Pternopetalum delavayi (Franch.) Hand.-Mazz. 羊齿囊瓣芹Pternopetalum filicinum (Franch.) Hand.-Mazz. 异叶囊瓣芹Pternopetalum heterophyllum Hand.-Mazz. 江西囊瓣芹Pternopetalum kiangsiense (Wolff) Hand.-Mazz. 薄叶囊瓣芹Pternopetalum leptophyllum (Dunn) Hand.-Mazz. 长茎囊瓣芹Pternopetalum longicaule Shan 高山囊瓣芹Pternopetalum subalpinum Hand.-Mazz. 东亚囊瓣芹Pternopetalum tanakae (Franch. et Sav.) Hand.-Mazz. 膜蕨囊瓣芹Pternopetalum trichomanifolium (Franch.) Hand.-Mazz. 天全囊瓣芹Pternopetalum wangianum Hand.-Mazz. |
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