| 2. | Leaves alternate ; petioles short , puberulous ; blade leathery , elliptic to oblong , 6 - 12 cm long , 2 . 5 - 4 cm wide , apex acute or obtuse , base nearly rotund or slightly oblique 叶互生;叶柄短,被疏柔毛;叶片革质,椭圆形至长圆形,长6 - 12厘米,宽2 . 5 - 4厘米,顶端急尖或钝,基部近圆形或稍偏斜。 |