n.托葉

Complete leaf composed of petiole, blade and stipule. 完全葉由葉柄、葉片和托葉組成。

Lack of any one or two parts of petiole, blade and stipule. 缺乏葉柄、葉片和托葉中的任何一部分或二部分。

Foliaceous back provides fluff, vein is thicker, stipule is damask. 葉背具柔毛，葉脈較粗，托葉淡紅色。

Terminal bud at first enclosed by stipule, later free. 頂芽最初被托葉包圍，后來分離。

Yeh Chang-long round or oval-shaped round, stipule lanceolate, dry off. 葉長圓形或橢圓狀長圓形，托葉披針形，旱落。

Stipule A modified leaf found as an outgrowth from the petiole or leaf base. 托葉：由葉柄或葉基部生長出的變態(tài)的葉，為發(fā)育產(chǎn)生的外部結(jié)構(gòu)。