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 ¥/est ; commonly sprouts from the roots to form extensive col- 
onies ; SOO-1,500 seeds per pound. 
Stomach records: Pine grosbeak. 01)servatiGns: 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 ; 
occurs 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. 
Range : 20, 22, 25, 28, 29, 30. 
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. watsonii (Sarg.) Waugh, (P. watsonii Sarg.) is a dwarf occurring in 
regions 17 and 19. 
Prunus arkansana, see Prunus mexicana. 
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 ; occurs on clay soil. 
Prunus avium L. Sweet elierry. 
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 hesseyi Bailey (pL 26, A). Western sand chexry. 
P. prunella Daniels, P. pumila desseyi (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. 
O'bservations: Ring-necked pheasant. Poisonous to livestock. 
Prunus borealis, see Prunus nigra. 
Prunus capoUin, see Prunus serotina. 
Prunus capuli, see Prunus serotkm. 
