n.托叶

Complete leaf composed of petiole, blade and stipule. 完全叶由叶柄、叶片和托叶组成。

Lack of any one or two parts of petiole, blade and stipule. 缺乏叶柄、叶片和托叶中的任何一部分或二部分。

Foliaceous back provides fluff, vein is thicker, stipule is damask. 叶背具柔毛，叶脉较粗，托叶淡红色。

Terminal bud at first enclosed by stipule, later free. 顶芽最初被托叶包围，后来分离。

Yeh Chang-long round or oval-shaped round, stipule lanceolate, dry off. 叶长圆形或椭圆状长圆形，托叶披针形，旱落。

Stipule A modified leaf found as an outgrowth from the petiole or leaf base. 托叶：由叶柄或叶基部生长出的变态的叶，为发育产生的外部结构。