4:5 



RUTACEAE. Rue Family 

 Zanthoxylum. Prickly Ash 

 Zanthoxylum americanum. Prickly Ash. 



Location: Fruticetum. Economic Garden. 



Natural distribution : Northeastern United States. 

 Zanthoxylum Bungei. Buxge's Prickly Ash. 



Location: Fruticetum. 



Natural distribution: Northern and central China. 

 Zanthoxylum micranthum. Small-flowered Prickly Ash. 



Location: Fruticetum. Arboretum. 



Natural distribution : China. 

 Zanthoxylum schinifolium. Japanese Prickly Ash. 



Location: Fruticetum. 



Natural distribution: Japan and Corea. 



Ptelea. Hop Tree 

 Ptelea trifoliata. Hop Tree. 



Location: Fruticetum. 



Natural distribution: Eastern United States. 

 Ptelea trifoliata var. aurea. Golden Hop Tree. 



Location : Fruticetum. 

 Ptelea trifoliata var. mollis. Hairy Hop Tree. 



Location: Fruticetum. 



Natural distribution : Southeastern United States. 



Phellodendron. Cork Tree 

 Phellodendron amurense. Amoor Cork Tree. 

 Location: Arboretum. 



Natural distribution: Northern China, Amurland, and Japan. 

 Phellodendron japonicum. Japanese Cork Tree. 

 Location : Arboretum. 

 Natural distribution: Central Japan. 

 Phellodendron sachalinense. Sachalin Cork Tree. 



Location: Arboretum. Along walk, Museum to 200th Street 



entrance. 

 Natural distribution: Saghalin, Corea, northern Japan, and 

 western China. 



