NATIVE WOODY PLANTS OF THE UNITED STATES 201 
A large, spiny shrub to small or rarely large tree; flowers April-May ; thicket 
forming ; about 316 named varieties are known, the best-fruited types occurring 
in the Middle West; commonly sprouts from the roots to form extensive col- 
onies ; 800-1,500 seeds per pound. 
Stomach records: Pine grosbeak. Observations: Prairie sharp-tailed grouse, 
ring-necked pheasant; leaves refused by captive marsh rabbits; much eaten by 
many kinds of birds. 
Prunus andersonii Gray. Desert peach. 
Emplectocladus andersonii (Gray) Nels. and Ken., Amygdalus andersonii 
(Gray) Greene. 
Range: 4, 9. 
Site: Dry, well-drained, sun. 
Fruit. Drupe. 
A small to large shrub or Small tree; flowers in May; thorny, spreading ; 
eccurs on gravelly, sandy, or other soils; extremely drought resistant; taproot 
well developed; thicket forming. 
Considered fair to good sheep and goat browse and only slightly inferior for 
cattle. 
Prunus angustifolia Marsh. Chickasaw plum. 
P. chicasa Michx. 
ange: 20!) 22.25, 28, 29530: 
Site: Dry, well-drained, sun. 
Fruit: Drupe, available May—August. 
A large shrub to small or large tree; flowers March—April; somewhat thorny ; 
densely thicket forming; commonly occurs in sandy soil; 800-1,000 seeds per 
pound. 
Var. watsonit (Sarg.) Waugh, (P. watsonii Sarg.) is a dwarf occurring in 
regions 17 and 19. 
Prunus arKansana, see Prunus mewvicana. 
Prunus australis, see also Prunus mexicana. 
Prunus australis Beadle. Southern wild cherry. 
Padus australis Small. 
Range: 29. 
Site: Well-drained, sun. 
Fruit: Drupe, available July—August. 
A small to large tree; flowers in April; oceurs on clay soil. 
Prunus avium L. Sweet cherry. 
Range: 27, 28. 
Site: Dry, well-drained, sun. 
Fruit: Drupe, available in July. 
A small to large tree; flowers April-May; introduced from Eurasia and 
more or less naturalized in the regions indicated; wood used commercially. 
Stomach records: Nine species of birds; red squirrel. 
Prunus besseyi Bailey (pl. 26, 4). Western sand cherry. 
P. prunella Daniels, P. pumila besseyi (Bailey) Waugh. 
Range: 15, 16, 18, 19, 23. 
Site: Well-drained, sun. 
Fruit: Drupe. 
A small, bushy shrub; flowers April-May; more or less prostrate; sprouting 
from roots but rarely forming thickets; occurs on sandy and other soils; 4,000 
seeds per pound; fruit produced the second or third year from seed; large- 
fruited varieties are known. 
Observations: Ring-necked pheasant. Poisonous to livestock. 
Prunus borealis, see Prunus nigra. 
Prunus capollin, see Prunus serotina. 
Prunus capuli, see Prunus serotina. 
