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Poncirus. Trifoliate Orange 

 Poncirus trifoliata. Trifoliate Orange. 

 Location: Fruticetum. 

 Natural distribution: Northern China. 



SIMARUBACEAE. Ailanthus Family 

 Ailanthus. Tree-of-Heaven 

 Ailanthus glandulosa. Tree-of-Heaven. 



Location: Arboretum. 200th Street entrance. 

 Natural distribution: China. 



MELIACEAE. Mahogany Family 

 Toona. Bastard Cedar 

 Toona sinensis. Chinese Bastard Cedar. 

 Location: Arboretum. 

 Natural distribution: Northern China. 



BUXACEAE. Box Family 

 Buxus. Box 

 Buxus japonica. Japanese Box. 



Location: Fruticetum. 



Natural distribution: China and Japan. 

 Buxus microphylla. Small-leaved Box. 



Location: Fruticetum. 



Natural distribution : Japan. 

 Buxus sempervirens. Common Box Tree. 



Location: Fruticetum. 



Natural distribution : Europe and Asia. 

 Buxus sempervirens var. angustifolia. Narrow-leaved Box. 



Location: Fruticetum. 

 Buxus sempervirens var. angustifolia aurea. Golden Narrow- 

 leaved. Box. 



Location: Fruticetum. 

 Buxus sempervirens var. aurea. Golden Box. 



Location: Fruticetum. 

 Buxus sempervirens var. Handsworthii. Handsworth's Box. 



Location: Fruticetum. 



