NATIVE WOODY PLANTS OF THE UNITED STATES 51 



Amorpha frnticosa L. Indigobush. 



A. occidentalis Abrams, A. fragrans Sweet, A. frutteosa angustifolia Pursh, 

 A. angustifolia (Pursh) Boynton. 



Range : 5, 10, 11, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25. 27, 28, 29. 

 Site : Well-drained, moist, sun, shade. 

 Fruit: Legume, available in August. 



A small to large shrub with rather sparse foliage ; flowers May-July ; often 

 grows in clumps ; rarely attacked by insects or disease ; often occurs on calca- 

 reous soil ; very variable and with a number of varieties in cultivation ; grows 

 on coal-stripped lands in Illinois ; 55,000-60,000 seeds per pound, germination 

 60-70 percent, about 10,000 usable plants per pound of seed. 

 Stomach records: Bobwhite. Possibly poisonous to livestock. 



Amorpha glabra Desf. Mountain-indigo. 



A. montana Boynton. 

 Range: 29, 30. 



Site : Dry, well-drained, moist, sun. 

 Fruit : Legume. 

 A small to large shrub ; flowers May-June. 



Amorpha herbacea Walt. 

 Range: 29, 30. 

 Site: Dry, well-drained, sun. 

 Fruit: Legume. 

 A small shrub ; flowers June-July ; ordinarily occurs on sandy or sterile soil 



Amorpha hispidula, see Amorpha californica. 



Amorpha laevigata Nutt. 



Range: 20, 25, 29, 30. 

 Site : Well-drained, moist, sun. 

 Fruit: Legume. 

 A large shrub ; pods one-seeded. 



Amorpha microphylla Pursh. Dwarf indigobush. 



A. nana Nutt. 



Range: 14, 15, 18, 22, 23. 

 Site : Dry, sun. 



Fruit : Legume, available in July. 



A small shrub ; flowers May-June ; about 60,000 seeds per pound ; germina- 

 tion about 50 percent. 



Amorpha montana, see Amorpha glabra. 

 Amorpha nana, see Amorpha microphylla. 



Amorpha nitens Boynton. 

 Range: 29. 

 Site: Moist, sun. 

 Fruit: Legume. 

 A small to large shrub ; flowers in July. 



Amorpha occidentalis, see Amorpha fruticosa. . 



Amorpha paniculata Torr. and Gray. 

 Range: 11, 20, 20, 30. 

 Site : Well-drained, moist, sun. 

 Fruit: Legume. 

 A large shrub ; often occurs in salt marshes. 



Amorpha schwerinii Schneid. Schwerin-indigo. 



Range: 28. 



Site: Dry, well-drained, sun. 

 Fruit: Legume. 

 A large shrub. 



Amorpha tennesseensis Shuttlew. Tennessee-indigo. 



Range: 25, 27, 29. 

 Site: Well-drained, moist, sun. 

 Fruit: Legume. 

 A large shrub. 



