形態特徵
喬木,冬芽的鱗片鑷合狀排列,葉較大,輪廓近於圓形,或橢圓形,長度較寬度稍大或近於相等,3-5裂,裂片鈍尖,銳尖,稀尾狀銳尖,邊緣有不整齊的圓齒或重鋸齒,花序總狀,萼片與花瓣各5,花葯橢圓形,子房有短柔毛,翅果張開近於水平或成鈍角。
物種信息
本系的模式種:青楷槭 A. tegmentosum Maxim.
本系有10種,除1種產於美洲外,其餘均產於亞洲。我國有7種。
怒江槭Acer chienii Hu & W. C. Cheng
來蘇槭Acer laisuense W. P. Fang & W. K. Hu
南嶺槭Acer metcalfii Rehder
篦齒槭Acer pectinatum Wall. ex G. Nicholson
尖尾篦齒槭(變型)Acer pectinatum Wall. ex Pax form. caudatilobum (Rehder) W. P. Fang
篦齒槭(原變型)Acer pectinatum Wall. ex Pax form. pectinatum
紅色槭Acer rubescens Hayata
獨龍槭Acer taronense Hand.-Mazz.
青楷槭Acer tegmentosum Maxim.
1.怒江槭Acer chienii Hu & W. C. Cheng
2.來蘇槭Acer laisuense W. P. Fang & W. K. Hu
3.南嶺槭Acer metcalfii Rehder
4.篦齒槭Acer pectinatum Wall. ex G. Nicholson
尖尾篦齒槭(變型)Acer pectinatum Wall. ex Pax form. caudatilobum (Rehder) W. P. Fang
篦齒槭(原變型)Acer pectinatum Wall. ex Pax form. pectinatum
5.紅色槭Acer rubescens Hayata
6.獨龍槭Acer taronense Hand.-Mazz.
7.青楷槭Acer tegmentosum Maxim.