Mexerion

Mexerion is a genus of flowering plants in the tribe Gnaphalieae within the family Asteraceae.[2][3] As of May 2024, the number of species accepted varies from one to three.

Mexerion
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Gnaphalieae
Genus: Mexerion
G.L.Nesom[1]
Species

See text.

Taxonomy

The genus was erected by Guy L. Nesom in 1990, with two species, M. mexicanum and the type species M. sarmentosum.[4] In 2023, Nesom added a third species, M. stolonatum, transferred from Chionolaena.[3] As of May 2024, Plants of the World Online accepted only M. mexicanum and M. stolonatum,[1] while the World Flora Online accepted only M. mexicanum.[2]

Species

As of May 2024, Tropicos listed three species:[5]

  • Mexerion mexicanum G.L.Nesom
  • Mexerion sarmentosum (Klatt) G.L.Nesom
  • Mexerion stolonatum (S.F.Blake) G.L.Nesom

References
  1. "Mexerion G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2024-05-11.
  2. "Mexerion G.L.Nesom". World Flora Online. Retrieved 2024-05-11.
  3. Nesom, G.L. (2023). "Taxonomic summary of Gnaphaliothamnus and Mexerion (Asteraceae: Gnaphalieae)" (PDF). Phytoneuron. 2023–50: 1–86. Retrieved 2024-05-11.
  4. Nesom, Guy L. (1990). "Mexerion (Asteraceae: Inuleae), a new genus from México". Phytologia. 68 (4): 247–254. Retrieved 2024-05-11.
  5. "Mexerion G.L. Nesom". Tropicos. Retrieved 2024-05-11.


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