Paepalanthus is a genus of plants in the family Eriocaulaceae. It includes 451 species native to the Americas (southeastern United States, southern Mexico, the Caribbean, Central America, and tropical South America), west and central tropical Africa, and Madagascar.[1]

Paepalanthus
Paepalanthus chiquitensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Eriocaulaceae
Genus: Paepalanthus
Mart.
Synonyms[1]
  • Actinocephalus (Körn.) Sano
  • Blastocaulon Ruhland
  • Cladocaulon Gardner
  • Cora Andrino & Sano (2023), non Cora Fr. (1825), fungal genus
  • Coracoralina Andrino & Sano
  • Cryptanthella (Suess.) Andrino, non Cryptanthela Gagnep.
  • Dupatya Vell.
  • Floralia Andrino & F.N.Costa
  • Giuliettia Andrino & Sano
  • Gnomus Andrino & Sano
  • Hydriade Andrino
  • Hyphydra Schreb.
  • Lachnocaulon Kunth
  • Moldenkeanthus Morat
  • Nisius Andrino
  • Paepalanthus Kunth (1841), nom. illeg. homonym. post.
  • Tonina Aubl., nom. rej.

Plants of the World Online currently accepts 451 species.[1] In 2023 Caroline Oliveira Andrino et al. published the most extensive molecular and morphological analysis of the genus to date, along with the broadest sampling of inflorescences in the family. They concluded the genus as then circumscribed was polyphyletic, and proposed six new genera (Coracoralina, Floralia, Giuliettia, Gnomus, Hydriade, and Nisius), redefining two subgenera as genera (Cryptanthella and Monosperma), reestablishing Actinocephalus, Lachnocaulon, and Tonina, and recircumscribing Paepalanthus as a monophyletic genus with 257 species which is largely restricted to the campos rupestres of the Espinhaço Range and adjacent mountains, with few species in the Serra da Mantiqueira complex, restingas of the coast of Brazil, with a disjunct distribution (Paepalanthus subg. Platycaulon) in the Andean paramo.[2] As of April 2026 Plants of the World Online accepts only Monosperma and treats the other proposed genera as synonyms of Paepalanthus.[1]

Selected species

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451 species are accepted.[1] Selected species include:

References

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  1. 1 2 3 4 5 " Paepalanthus Mart". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 10 April 2026.
  2. Andrino, Caroline Oliveira; Costa, Fabiane Nepomuceno; Simon, Marcelo Fragomeni; Missagia, Rafaela Velloso; Sano, Paulo Takeo (2023). "Eriocaulaceae: A new classification system based on morphological evolution and molecular evidence". Taxon. 72 (3): 515–549. doi:10.1002/tax.12915. ISSN 0040-0262. S2CID 258195228.

Further reading

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