NATIVE WOODY PLANTS OF THE UNITED STATES 
177 
Padus alabamensis, see Primus alahamensis. 
Padus australis, see Prunus australis. 
Padus earoliniana, see Prunus caroUniana. 
Padus cuthbertii, see Prunus cuthhertii. 
Padus nana, see Prunus virginiana. 
Padus demissa, see Prunus demissa. 
Padus eximia, see Prunus eximia. 
Padus melanocarpa, see Prunus demissa. 
Padus pumicea, see Prunus virginiana. 
Padus rufula, see Prunus virens. 
Padus valida, see Prunus valida. 
Padus virens, see Prunus virens. 
Padus virginiana, see Prunus virginiana. 
Palmerocassia wislizenii, see Cassia wislizenii. 
Papyrius papyrifera, see Broussonetia papyrifera. 
Parkinsonia aculeata L. Horsebean, 
Range: 10, 11, 16, 17, 20, 30. 
Site: Dry, well-drained, moist, sun. 
Fruit: Legume. 
A large shrub to small or large spiny tree; occurs in rich, sandy soils; 
introduced from tropical America ; generally free from pests ; resistant to saline 
conditions; often grown for hedges. Of local importance as an emergency 
fodder for livestock. 
Parkinsonia, see Cercidium. 
Parosela arborescens (Torr.) Heller. Mohave dalea. 
P. neglecta Parish, Dalea arborescens Torr., Psorodendron arborescens 
(Torr.) Rydb. 
Range: 10. 
Site: Dry, sun. 
Fruit : Legume. 
A small, spiny shrub with slender branches; flowers April-May. 
Parosela argyrea (Gray) Heller. 
Dalea argyrea Gray. 
Range: 11, 17. 
Site: Dry, sun. 
Fruit: Legume. 
A small, stout shrub. 
Parosela californlca, see Parosela fremontii. 
Parosela emoryi (Gray) Heller. White dalea. 
Dalea emoryi Gray, Psorothamnus emoryi (Gray) Rydb. 
Range: 5, 10. 
Site: Dry, sun. 
Fruit: Legume. 
A small, densely branched shrub ; flowers April-May ; occurs on sandy and 
other soils. 
Parosela formosa (Torr.) Vail. Peather peabush. 
Dalea formosa Torr. 
Range : 9, 10, 11, 14, 16, 17, 20. 
Site: Dry, sun. 
Fruit: Legume. 
A small, much-branched shrub ; flowers April-October ; very handsome in 
flower. 
Observations: Particularly palatable to captive deer. Of little importance 
as forage for livestock. 
