2) In Acer,the section Palmata preserving more archaic characters was supported as basal to the rest of the genus but with lower bootstrap value;

• 2 )鸡爪槭组 (sectionPalmata)作为整个槭属的基部类群 ,虽然支持率较低 ,但与其它类群相比在槭属内维持了较多的原始性状 ;