90 



ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 51 



Fig. 83. — Japanese 

 pagoda tree produces 

 showy clusters of pea- 

 like, creamy-white flow- 

 ers in July. The com- 

 pound leaves (inset) 

 are composed of 7-17 

 leaflets 1-2 inches long. 



spread of 40-60 feet. It thrives in most soils and is suitable for 

 city plantings and specimen trees on lawns in the southern two- 

 thirds of Illinois. 



The odd, feather-like, compound, 6- to lO-inch-long leaves 

 (Fig. 83 inset) have 7-17 narrowly oval, opposite leaflets 1-2 

 inches long. The leaflets are dark green and lustrous above and 

 more or less hairy or fuzzy beneath. The pea-like, creamy-white, 

 6- to 10-inch-long, showy clusters of perfect flowers appear in 

 July. The fruit is a few- to many-seeded pod 2-3 inches long, 

 1/3 inch across, and constricted between seeds. The fissured bark 

 on the trunk is grayish brown while the smooth or nearly smooth 

 bark on the twigs is dark green. Pagoda trees are relatively free 

 of diseases and insect pests. However, an occasional tree is 

 affected by Verticillium wilt. 



Pawpaw 



The native pawpaw (Asimina triloba) (Fig. 84) is a small, 

 fast-growing tree that usually does not exceed 20 feet in height 

 but may occasionally reach 30-40 feet, with a branch spread of 



