sectio[拉]切开(术),切(断)面, 切片,节sectn.宗派；教派Sect. Scabridaen.腺毛木蓝亚组Sect. Ervatamian.狗牙花组Sect. HexapogonSect. Leiocalyxn.光萼组Sect. Punctataen.斑点组Sect. Platyneman.宽丝组Sect. Birostresn.双喙组Sect. Pileoidesn.全缘赤车组Sect. Glareosaen.砾地组Sect. Elisanthen.大花组