Cosmos caudatus

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Zingiberales

Familia: Costaceae
Genus: Hellenia
Species: H. borneensis – H. globosa – H. lacera – H. sopuensis – H. speciosa
Name

Hellenia Retz., Observ. Bot. 6: 18 (1791)

Typus: Hellenia speciosa (J.Koenig) S.R.Dutta, Pleione 7: 228 (2013). Replacing Hellenia grandiflora Retz., Observ. Bot. 6: 18 (1791), nom. superfl.

Synonyms

Basionym
Banksea J.Koenig in A.J.Retzius, Observ. Bot. 3: 75 (1783), nom. illeg.
Homotypic
Tsiana J.F.Gmel., Syst. Nat. ed. 13[bis]: 9 (1791), nom. superfl.
Planera Giseke, Prael. Ord. Nat. Pl.: 202 (1792), nom. illeg.
Cheilocostus C.D.Specht, Taxon 55: 159 (2006), nom. superfl.
Heterotypic
Pyxa Noronha, Verh. Batav. Genootsch. Kunsten 5(4): 3 (1790), nom. nud.

Distribution
Native distribution areas:
References

Retzius, A.J. 1791. Observationes Botanicae 6: 18.
Govaerts, R. 2013. Hellenia Retz., the correct name for Cheilocostus C.D.Specht (Costaceae), Phytotaxa, 151 (1): 63–64. Available on line PDF. Accessed February 8, 2014.
Govaerts, R. et al. 2014. Hellenia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2014 Feb. 8. Reference page.
International Plant Names Index. 2018. Hellenia. Published online. Accessed: Sept. 2 2018.
Tropicos.org 2014. Hellenia. Missouri Botanical Garden. Published online. Accessed: 8 Feb. 2014.