Hellenia

Hellenia
Hellenia speciosa (as "Costus speciosus")
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Zingiberales
Family: Costaceae
Genus:
Retz. 1791 not Willd. 1797 (syn of Alpinia in Zingiberaceae)
Synonyms[1][2]
  • Banksea J.Koenig 1783, illegitimate parahomonym, not Banksia J.R Forster & J. G. A. Forster 1775 (Thymelaeaceae) nor Banksia L. f. 1782 (Proteaceae) nor Banksia Bruce 1790 (Rosaceae) nor Banksia Dombey ex DC. 1828 (Lythraceae)[2][3]
  • Tsiana J.F.Gmel.
  • Planera Giseke 1792, illegitimate homonym not J.F. Gmel. 1791 (Ulmaceae)
  • Cheilocostus C.D.Specht
  • Pyxa Noronha

Hellenia is a genus of plants in the Costaceae described as a genus with this name in 1791.[4][2][5] It is native to Southeast Asia, southern China, the Indian Subcontinent, New Guinea, and Queensland.[1] The type species was "H. grandiflora" Retz., which is a synonym of Hellenia speciosa.

Species

Plants of the World Online[6] currently includes the following (with some botanists[7] preferring to retain the genus Cheilocostus):

  • Hellenia deliniana Juan Chen, L.Y.Zeng & N.H.Xia
  • Hellenia lacera (Gagnep.) Govaerts
  • Hellenia meghalayensis Ram.Kumar, Sushil K.Singh & B.K.Sinha
  • Hellenia oblonga (S.Q.Tong) Juan Chen, L.Y.Zeng & N.H.Xia
  • Hellenia paramjitii Ram.Kumar, Sushil K.Singh & S.Sharma
  • Hellenia sopuensis (Maas & H.Maas) Govaerts
  • Hellenia speciosa (J.Koenig) S.R.Dutta (synonym Cheilocostus speciosus) – China, Indian Subcontinent, Andaman & Nicobar, Indochina, Malaysia, Indonesia, Philippines, New Guinea, Bismarck Archipelago, Queensland; naturalized in Mauritius, Réunion, Hawaii, Central America, West Indies
  • Hellenia viridis (S.Q.Tong) Juan Chen, L.Y.Zeng & N.H.Xia

Formerly included

now in other genera: Alpinia, Hornstedtia, Parahellenia, Plagiostachys[1]

  • H. abnormis – Alpinia chinensis
  • H. alba – Alpinia galanga
  • H. allughas – Alpinia nigra
  • H. aquatica – Alpinia aquatica
  • H. arctiflora – Alpinia arctiflora
  • H. borneensis (A.D.Poulsen) Govaerts – Parahellenia borneensis (A.D.Poulsen) N.H.Xia, Juan Chen & S.Jin Zeng
  • H. bracteata – Alpinia ludwigiana
  • H. caerulea – Alpinia caerulea
  • H. chinensis – Alpinia chinensis
  • H. globosa (Blume) S.R.Dutta – Parahellenia globosa (Blume) N.H.Xia, Juan Chen & S.Jin Zeng
  • H. gracilis – Alpinia elegans
  • H. melanocarpa – Alpinia aquatica
  • H. parviflora – Plagiostachys parviflora
  • H. pubiflora – Alpinia pubiflora
  • H. rubra – Hornstedtia rubra
  • H. rufa – Alpinia rufa
  • H. scabra – Alpinia scabra

References

  1. ^ a b c Kew World Checklist of Selected Plant Families
  2. ^ a b c Tropicos, Hellenia Retz.
  3. ^ Tropicos, search for Banksia
  4. ^ Retzius, Anders Jahan. 1791. Observationes Botanicae 6: 18
  5. ^ Specht, C. D. & D. W. Stevenson. 2006. A new phylogeny-based generic classification of Costaceae (Zingiberales). Taxon 55(1): 153–163
  6. ^ "Hellenia Retz". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 16 July 2025.
  7. ^ Leong-Škorničková J, Šída O (2016) Proposal to conserve the name Cheilocostus against Hellenia and Tsiana (Costaceae). Taxon (2482) 65: 1426–1427.
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