例句
Trees or shrubs. Leaves petiolate , entire or serrate at margin.
乔木或灌木叶具叶柄，全缘的或有锯齿在边缘。
Calyx segment margin denticulate or serrate, at least once near apex.
花萼裂片边缘具小齿或有锯齿，至少一旦近先端。
Leaves simple, exstipulate, alternate, rarely opposite, entire or serrate at margin.
单叶，无托叶， 互生，很少对生，全缘的或有锯齿在边缘。