Actinostemon

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|image =Actinostemon concolor.jpeg

|image_caption = Actinostemon concolor

|display_parents = 3

|taxon = Actinostemon

|authority = Mart. ex Klotzsch

|synonyms_ref =

|synonyms = *Dactylostemon Klotzsch

• Actinostema Lindl., spelling variant

}}

Actinostemon is a plant genus of the family Euphorbiaceae first described as a genus in 1841.[https://www.biodiversitylibrary.org/page/9707067#page/192/mode/1up Klotzsch, Johann Friedrich. 1841. Archiv für Naturgeschichte 7(1): 184-185] in Latin[http://www.tropicos.org/Name/40031909 Tropicos, Actinostemon Mart. ex Klotzsch ] It is native to South America, Central America, and the West Indies.[http://apps.kew.org/wcsp/namedetail.do?name_id=2781 Kew World Checklist of Selected Plant Families]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.Forzza, R. C. 2010. Lista de espécies Flora do Brasil {{cite web|url=http://floradobrasil.jbrj.gov.br/2010 |title=Archived copy |accessdate=2015-08-20 |url-status=dead |archiveurl=https://web.archive.org/web/20150906080403/http://floradobrasil.jbrj.gov.br/2010/ |archivedate=2015-09-06 }}. Jardim Botânico do Rio de Janeiro, Rio de JaneiroGonzález Ramírez, J. 2010. Euphorbiaceae. En: Manual de Plantas de Costa Rica. Vol. 5. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.). Monographs in systematic botany from the Missouri Botanical Garden 119: 290–394

;Species

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1. Actinostemon amazonicus - Peru, S Venezuela, N Brazil
2. Actinostemon brachypodus - Pinar del Río, La Habana
3. Actinostemon caribaeus - Costa Rica, Nicaragua, Lesser Antilles, Trinidad, N Venezuela
4. Actinostemon concepcionis - Paraguay, S Brazil, Corrientes
5. Actinostemon concolor - Paraguay, S Brazil, Uruguay, Bolivia, Misiones
6. Actinostemon desertorum - S Brazil
7. Actinostemon echinatus - Pernambuco, Rio de Janeiro
8. Actinostemon glaziovii - Rio de Janeiro, Minas Gerais
9. Actinostemon guyanensis - Guyana
10. Actinostemon imbricatus - NW Brazil
11. Actinostemon klotzschii - Brazil, Bolivia
12. Actinostemon lagoensis - S Brazil
13. Actinostemon lasiocarpus - E Brazil
14. Actinostemon leptopus - S Brazil
15. Actinostemon macrocarpus - S Brazil
16. Actinostemon mandiocanus - Rio de Janeiro
17. Actinostemon schomburgkii - Venezuela, 3 Guianas, N Brazil, Bolivia
18. Actinostemon sparsifolius - S Brazil
19. Actinostemon verticillatus - E Brazil

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;formerly included

moved to other genera: Gymnanthes Sebastiania

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1. A. anisandrus - Sebastiania brasiliensis
2. A. brasiliensis - Sebastiania brasiliensis
3. A. jamaicensis - Gymnanthes glandulosa
4. A. luquensis - Sebastiania brasiliensis
5. A. unciformis - Sebastiania klotzschiana

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