Largedeciduoustreesto30mtall;barkgrayish-brown;youngtwigsyellowish-green,oldonesreddish-brown,glabrous.Leavespapery,elliptic,oblong-ovateorbroadlyobovate,10~23×4.5~10cm,apexacuteorshort-acuminate,baseroundedorbroadlycuneate,usuallyunequal,darkgreenandglab (本文共 1710 字 , 2 張圖 ) [閱讀本文] >>