Psorothamnus
Template:Short description Script error: No such module "Automated taxobox". 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.[2][3]
Species
Four species are currently accepted.[4]
- 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 (Torr. ex A.Gray) Rydb., as Psorothamnus arborescens (A. Gray) Barneby
- Psorodendron fremontii (Torr. ex A.Gray) Rydb., as Psorothamnus fremontii (A. Gray) Barneby
- Psorodendron kingii (S.Watson) Rydb., as Psorothamnus kingii (S. Watson) Barneby
- Psorodendron schottii (Torr.) Rydb., as Psorothamnus schottii (Torr.) Barneby
- Psorodendron spinosum (A.Gray) Rydb., as Psorothamnus spinosus (A. Gray) Barneby
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content."Psorothamnus Rydb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 July 2025.
- ^ Page Module:Citation/CS1/styles.css has no content.Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.
- ^ Page Module:Citation/CS1/styles.css has no content.McMahon M, Hufford L (2004). "Phylogeny of Amorpheae (Fabaceae: Papilionoideae)". Am J Bot. 91 (8): 1219–1230. doi:10.3732/ajb.91.8.1219. PMID 21653479.
- ^ Page Module:Citation/CS1/styles.css has no content."ILDIS LegumeWeb entry for Psorothamnus". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 7 July 2014.
External links
- CalFlora Database: Psorothamnus
- Jepson Manual eFlora (TJM2) treatment of Psorothamnus
- USDA Plants Profile for Psorothamnus
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