Syrmatium

Syrmatium was a formerly accepted genus of flowering plants in the family Fabaceae (legumes), native to the southwestern United States. , it was considered a synonym of "Acmispon" by Plants of the World Online, and only "Acmispon" was recognized by the Jepson eFlora.
Taxonomy.
"Syrmatium" belonged to a group of species traditionally placed in the tribe Loteae of the subfamily Faboideae. The taxonomy of this group is complex, and its division into genera has varied considerably. Many species of "Syrmatium" were formerly placed in a broadly defined genus "Lotus". A molecular phylogenetic study in 2000 based on nuclear ribosomal ITS sequences confirmed the view that the "New World" (American) and "Old World" (African and Eurasian) species of "Lotus" did not belong in the same genus. "Syrmatium" was monophyletic.
Species.
Species that have been placed in "Syrmatium" include: