Homalanthus

Homalanthus is a plant genus of the family Euphorbiaceae first described as a genus in 1824.[3] It is the only genus in subtribe Carumbiinae. The genus is native to tropical Asia, Australia, and various islands in the Pacific.[2][4]

Homalanthus
Bleeding-heart tree (Homalanthus populifolius)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Subfamily: Euphorbioideae
Tribe: Hippomaneae
Subtribe: Carumbiinae
Genus: Homalanthus
A.Juss. 1824, conserved name, not Less. 1832 nor Wittst. 1852 (the latter both in Asteraceae)[1]
Synonyms[2]

When published, the generic name was spelt as "Omalanthus".[3] Since the name comes from the ancient Greek word homalos meaning "smooth" and anthos meaning "flower", this original spelling was inconsistent with the general Greek transliteration rules, and many later authors changed it to Homalanthus. According to ICBN, Homalanthus, which can be found in its Appendix III, has now been conserved against the original Omalanthus.[5]

Species[2]
  1. Homalanthus acuminatus - Tahiti
  2. Homalanthus arfakiensis - Maluku, West New Guinea
  3. Homalanthus caloneurus - Brunei, Sabah
  4. Homalanthus ebracteatua - Vanuatu
  5. Homalanthus fastuosus - Lan Yü, Philippines
  6. Homalanthus giganteus - Java, Lesser Sunda Islands
  7. Homalanthus grandifolius - Sumatra, Borneo
  8. Homalanthus longipes - Vanuatu
  9. Homalanthus longistylus - Papua New Guinea, Bismarcks
  10. Homalanthus macradenius - Philippines
  11. Homalanthus nervosus - New Guinea
  12. Homalanthus novoguineensis- Papua New Guinea, Bismarcks, Solomons, Maluku, Lesser Sunda, NT, Qld, WA
  13. Homalanthus nutans- many Pacific Islands
  14. Homalanthus polyadenius - Papua New Guinea
  15. Homalanthus polyandrus - Kermadec
  16. Homalanthus populifolius - Papua New Guinea, Bismarcks, Solomons, Norfolk I, Lord Howe I, NSW, Qld, Vic
  17. Homalanthus populneus - S Thailand, Malaysia, Indonesia, Philippines; naturalized in Hawaii
  18. Homalanthus remotus - West New Guinea
  19. Homalanthus repandus - New Caledonia, Loyalty Is
  20. Homalanthus schlechteri - New Caledonia, Loyalty Is
  21. Homalanthus stillingiifolius - NSW, Qld
  22. Homalanthus stokesii - Rapa-Iti
  23. Homalanthus trivalvis - Solomons

References
  1. Tropicos, search for name Homalanthus
  2. Kew World Checklist of Selected Plant Families
  3. Jussieu, Adrien Henri Laurent de. 1824. De Euphorbiacearum Generibus Medicisque earumdem viribus tentamen, tabulis aeneis 18 illustratum 50
  4. Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.
  5. International Code of Botanical Nomenclature (Vienna Code). International Association for Plant Taxonomy. 2006. ISBN 3-906166-48-1.


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