Psorothamnus
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Psorothamnus is a genus of plants in the legume family. These are shrubs and small trees. Many are known by the general common name indigo bush. Some are referred to as daleas, as this genus was once included in genus Dalea. These are generally thorny, thickly branched, strongly scented bushes. Most species bear lupinlike raceme inflorescences of bright purple legume flowers and gland-rich pods. Psorothamnus species are native to the southwestern United States and northern Mexico. The genus formerly included additional species, but was found to be paraphyletic, and genus Psorodendron was reinstated to accommodate sections Xylodalea, Capnodendron, and Winnemucca.
Psorothamnus is a genus of plants in the legume family. These are shrubs and small trees. Many are known by the general common name indigo bush. Some are referred to as daleas, as this genus was once included in genus Dalea. These are generally thorny, thickly branched, strongly scented bushes. Most species bear lupinlike raceme inflorescences of bright purple legume flowers and gland-rich pods. Psorothamnus species are native to the southwestern United States and northern Mexico. The genus formerly included additional species, but was found to be paraphyletic, and genus Psorodendron was reinstated to accommodate sections Xylodalea, Capnodendron, and Winnemucca.
Species
Four species are currently accepted. Psorothamnus emoryi (A. Gray) Rydb. – dyebush, Emory's indigo bush Psorothamnus polydenius (S. Watson) Rydb. – Nevada dalea Psorothamnus scoparius (A. Gray) Rydb. – broom dalea Psorothamnus thompsoniae (Vail) S.L. Welsh & N.D. Atwood – Thompson's dalea
Formerly placed here
Psorodendron arborescens , as Psorothamnus arborescens (A. Gray) Barneby Psorodendron fremontii , as Psorothamnus fremontii (A. Gray) Barneby Psorodendron kingii , as Psorothamnus kingii (S. Watson) Barneby Psorodendron schottii , as Psorothamnus schottii (Torr.) Barneby Psorodendron spinosum , as Psorothamnus spinosus (A. Gray) Barneby
References
External links
CalFlora Database: Psorothamnus Jepson Manual eFlora (TJM2) treatment of Psorothamnus USDA Plants Profile for Psorothamnus
Text derived from https://en.wikipedia.org/w/index.php?oldid=1300318019 under CC BY-SA 4.0; modifications have been made.