Genus Psorothamnus Rydb.


Summary
Genus number:
10055
Last updated:
1 August 2025
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Amorpheae
Accession count:

29 (10  active, 10  available) in National Plant Germplasm System
Comments:
the Greek "thamnos" (bush, shrub) is masculine, therefore this generic name is masculine fide Madrid ICN Art. 62.2


Synonyms
Synonym(s)

Images (6 total. Click on image for more.)
Fruit

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References:
  1. Barneby, R. C. 1977. Daleae imagines, an illustrated revision of Errazurizia Phil., Psorothamnus Rydb., Marina Liebm., & Dalea Lucanus emend. Barneby, including all species of Leguminosae tribe Amorpheae ever referred to Dalea. Mem. New York Bot. Gard. 27:21-54.
  2. Lewis, G. et al., eds. 2005. Legumes of the world 303.
  3. McMahon, M. & L. Hufford. 2004. Phylogeny of Amorpheae (Fabaceae: Papilionoideae). Amer. J. Bot. 91:1219-1230. Note: paraphyletic
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=10055. Accessed 13 May 2026.