''Syrmatium'' was a formerly accepted

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s in the family Fabaceae (legumes), native to the southwestern United States. , it was considered a

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are al ...

of '' Acmispon'' by

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants ...

, and only ''Acmispon'' was recognized by the Jepson eFlora. Lotusdendroideusdend

Taxonomy

''Syrmatium'' belonged to a group of species traditionally placed in the tribe

Loteae The tribe Loteae is a subdivision of the plant family Fabaceae, in the Robinioids. These genera are recognized by the USDA: * '' Acmispon'' Raf. 1832 * '' Anthyllis'' L. 1753 * ''Antopetitia'' A.Rich. 1840 * ''Coronilla'' L. 1753 * ''Cytiso ...

of the subfamily

Faboideae The Faboideae are a subfamily of the flowering plant family Fabaceae or Leguminosae. An acceptable alternative name for the subfamily is Papilionoideae, or Papilionaceae when this group of plants is treated as a family. This subfamily is widely ...

. 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 Lotus may refer to: Plants *Lotus (plant), various botanical taxa commonly known as lotus, particularly: ** ''Lotus'' (genus), a genus of terrestrial plants in the family Fabaceae **Lotus flower, a symbolically important aquatic Asian plant also ...

''. A

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

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 In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic ...

Species

Species that have been placed in ''Syrmatium'' include: *''Syrmatium argophyllum'' (A.Gray) Greene = '' Acmispon argophyllus'' (A.Gray) Brouillet *''Syrmatium cytisoides'' (Benth.) Greene = '' Acmispon cytisoides'' (Benth.) Brouillet *''Syrmatium decumbens'' (Benth.) Greene = '' Acmispon decumbens'' (Benth.) Govaerts *''Syrmatium distichum'' Greene = '' Acmispon distichus (Greene) Brouillet *''Syrmatium haydonii'' (Orcutt) Brand = '' Acmispon haydonii'' (Orcutt) Brouillet *''Syrmatium junceum'' Benth.) Greene = '' Acmispon junceus'' (Benth.) Brouillet *''Syrmatium leucophyllum'' (Greene) Brand = '' Acmispon procumbens'' (Greene) Brouillet var. ''procumbens'' *''Syrmatium micranthum'' (Nutt. ex Torr. & A.Gray) Greene = '' Acmispon micranthus'' (Nutt. ex Torr. & A.Gray) Brouillet *''Syrmatium prostratum'' (Nutt.) Greene = '' Acmispon prostratus'' (Nutt.) Brouillet *''Syrmatium tomentosum'' (Hook. & Arn.) Vogel = '' Acmispon tomentosus'' (Hook. & Arn.) Govaerts *''Syrmatium veatchii'' (Greene) Greene = '' Acmispon dendroideus'' var. ''veatchii'' (Greene) Brouillet *''Syrmatium watsonii'' (Vasey & Rose) Brand = '' Hosackia alamosana'' Rose

References

{{Taxonbar, from=Q17432930 Faboideae Historically recognized angiosperm genera Fabaceae genera