Field
![1 Crataegus pinnatifida 山楂 實地環境](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![2 Crataegus pinnatifida 山楂 實地環境](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![3 Crataegus pinnatifida 山楂 實地環境](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
Chinese Hawthorn
Crataegus pinnatifida Bunge
Rosaceae
Trees
Flowering Period: May to June
Click here to download field images
Flower Structures
![1 山楂_結構](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![2 山楂結構_花正面](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![3 山楂結構_側面](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![4 山楂結構_生殖器官及蜜腺](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![5 山楂結構_花瓣](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![6 山楂結構_花萼](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![7 山楂結構_雄蕊](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![8 山楂結構_雌蕊](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![9 山楂結構_習性](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
Pollen
![1 山楂_花粉_com mic](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![2 山楂_花粉粒_SEM](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
Magnification ×4.0k. Image from scanning electron microscope (SEM).
![3 山楂_花粉粒_SEM](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![4 山楂_花粉群_SEM](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![5 山楂_花粉_表面_SEM](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
![6 山楂_柱頭_SEM](http://www.mitlc.edu.hk/wp-content/plugins/revslider/public/assets/assets/dummy.png)
Crataegus pinnatifida Bunge
Rosaceae
Trees
Flowering Period: May to June