- 囊瓣芹属
囊瓣芹属
形态特征
囊瓣芹属物种(5)一年生或多年生草本，无毛或有小刺毛状的粗毛。根纺锤形或圆锥形，通常有根茎。茎直立，细长，分枝或不分枝。叶片通常膜质，1-3回三出分裂或三出式羽状分裂；基生叶和茎生叶同形或异形。复伞形花序顶生和侧生，通常无总苞；有1-4个小总苞片，呈线状披针形；小伞形花序有花2-4，花柄极不等长；萼齿钻形、三角形或极细小，花瓣白色或带浅紫色，长倒卵形或阔卵形，基部狭长，下端通常呈小袋状，顶端凹陷，有一内折的小舌片，或全缘；花柱基圆锥形，花柱伸长，直立或较短而弯曲。果实圆卵形至长卵形，侧面扁平，果棱光滑或粗糙，有的有丝状细齿；分生果的横剖面近圆形，胚乳腹面平直；每棱槽中有油管1-3，合生面油管2-6，心皮柄2裂至基部。
分布范围
囊瓣芹属(5)囊瓣芹属除东亚囊瓣芹 P. tanakae (Franch. et Sav.) Hand. -Mazz. 在朝鲜和日本也有分布外，其余均为中国的特有种，集中分布于西南地区，以四川、云南最多。
下级分类
| 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. |
词条图册
| 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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