Omphalea

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Genus of flowering plants

title: "Omphalea" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["omphalea", "euphorbiaceae-genera", "botanical-taxa-named-by-carl-linnaeus"] description: "Genus of flowering plants" topic_path: "general/omphalea" source: "https://en.wikipedia.org/wiki/Omphalea" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of flowering plants ::

|image = Omphalea triandra - Loddiges.jpg |image_caption = Omphalea triandra |display_parents = 2 |parent_authority = |taxon = Omphalea |authority = L. |synonyms_ref = |synonyms = *Omphalandria P.Browne, rejected name

  • Duchola Adans.
  • Ronnowia Buchoz
  • Hecatea Thouars
  • Hecaterium Kunze ex Rchb.
  • Hebecocca Beurl.
  • Neomphalea Pax & K.Hoffm. ::figure[src="https://upload.wikimedia.org/wikipedia/commons/5/56/Omphalea_distribution_Madagascar.svg" caption="Distribution of the four Madagascan species of ''Omphalea''"] ::

Omphalea is a plant genus of the family Euphorbiaceae first described as a genus in 1759. It is native to tropical parts of the Americas, the West Indies, Asia, Australia, and Africa (including Madagascar).

Omphalea has monoecious, apetalous flowers and fleshy fruits with hard centers.

Ecology

The plants are toxic and few animals can eat them. Diurnal moths of the subfamily Uraniinae feed on them. These moths are species of the genus Urania in the Americas, and of the genus Chrysiridia in Africa.

The only species from mainland Africa is O. mansfeldiana, a liana from Tanzania. The Madagascan species are O. ankaranensis, a shrub from the limestone karst of northern Madagascar, O. palmata Leandri, a dry forest shrub closely related to O. ankaranensis but from western Madagascar, O. occidentalis Leandri, also a dry forest species of western Madagascar, and O. oppositifilia (Willdenow), a tree from the east coast rainforest of Madagascar.

The Madagascan sunset moth (Chrysiridia rhipheus) feeds on all four of these species.

;Species

  1. Omphalea ankaranensis - N Madagascar
  2. Omphalea bracteata - Indochina, Malaysia, Borneo, Philippines
  3. Omphalea brasiliensis - Bahia
  4. Omphalea celata - Queensland
  5. Omphalea commutata - Haiti incl Gonâve Island
  6. Omphalea diandra - Central + South America, West Indies
  7. Omphalea ekmanii - Dominican Rep
  8. Omphalea grandifolia - Philippines
  9. Omphalea hypoleuca - W Cuba
  10. Omphalea malayana - Pulao Tioman, Sarawak, Luzon
  11. Omphalea mansfeldiana - Tanzania
  12. Omphalea megacarpa - Grenada, Trinidad, Tobago
  13. Omphalea occidentalis - W Madagascar
  14. Omphalea oleifera - Mexico, Central America
  15. Omphalea oppositifolia - E Madagascar
  16. Omphalea palmata - WC Madagascar
  17. Omphalea papuana - Queensland, Papuasia
  18. Omphalea queenslandiae - Queensland
  19. Omphalea sargentii - Indonesia, Malaysia, Philippines
  20. Omphalea triandra - Jamaica, Haiti
  21. Omphalea trichotoma - Cuba}} ;formerly included moved to other genera (Mabea Phyllanthus Sapium Sebastiania Senefeldera )
  22. O. axillaris - Phyllanthus axillaris
  23. O. cauliflora - Phyllanthus cauliflorus
  24. O. eglandulata - Sebastiania eglandulata
  25. O. epistylium - Phyllanthus axillaris
  26. O. glandulata - Sapium glandulosum
  27. O. lactescens - Mabea piriri
  28. O. verticillata - Senefeldera verticillata}}

References

References

  1. 1821 illustration from The botanical cabinet, consisting of coloured delineations of plants from all countries by Conrad Loddiges. London, C. Loddiges & Sons, etc., 1821, volume 6 (plate 519).
  2. [https://www.biodiversitylibrary.org/page/587173#page/434/mode/1up Linnaeus, Carl von. 1759. Systema Naturae, Editio Decima 2: 1254, 1264, 1378] in Latin
  3. [http://www.tropicos.org/Name/40031608 Tropicos]
  4. [http://apps.kew.org/wcsp/namedetail.do?name_id=138994 Kew World Checklist of Selected Plant Families]
  5. 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.
  6. Schatz, George E. "Euphorbiaceae - ''Omphalea oppositifolia''". Missouri Botanical Garden.
  7. Gillespie, Lynn J.. (1997). "''Omphalea'' (Euphorbiaceae) in Madagascar: A New Species and a New Combination". Novon.

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