NATIVH WOODY PLANTS OF THE UNITED STATES WT 
Padus alabamensis, see Prunus alabamensis. 
Padus australis, see Prunus australis. 
Padus caroliniana, see Prunus caroliniana. 
Padus cuthbertii, see Prunus cuthbertii. 
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 wislizenit. 
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 Cercidiwm. 
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 smail, stout shrub. 
Parosela californica, see Parosela fremontii. 
Parosela emoryi (Gray) Helier. 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. Feather 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. 
