Cocoseae

Cocoseae

Cocoseae

Tribe of palms

Cocoseae is a tribe of cocosoid palms of the family Arecaceae.[1][2]

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Description

The fruit of the Cocoseae is a modified drupe, with a sclerenchymatous epicarp and a highly developed mesocarp, formed mainly by parenchyma . The endocarp is generally sclerenchymatous and protects the seeds from predation and drying. The most obvious synapomorphy of the species of this tribe is the presence, in the endocarp, of three or more "eyes" or pores of germination.[3]

Distribution

The Cocoseae are distributed mainly in the Neotropical regions, with two genera endemic to Africa (Jubaeopsis and Elaeis) and Madagascar (Beccariophoenix and Voanioala), respectively.

Systematics

The Cocoseae in the sense of Dransfield et al. (2008) are identified as natural relatives (monophylum) in most studies. Their systematic position within the Arecoideae is still unclear. Different studies see them as a sister group of the Reinhardtieae, as a sister group of the group from Reinhardtieae and Roystoneeae, or as a sister group of the Oranieae.

The tribe is divided into three subtribes. All three are monophyletic. Bactridinae and Elaeidinae are sister groups

Genera

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References

  1. [1]
    Baker, William J.; Dransfield, John (2016). "Beyond Genera Palmarum: progress and prospects in palm systematics". Botanical Journal of the Linnean Society. 182 (2): 207–233. doi:10.1111/boj.12401.
  2. [2]
    Dransfield, John; Uhl, Natalie W.; Asmussen, Conny B.; Baker, William J.; Harley, Madeline M.; Lewis, Carl E. (2008). Genera Palmarum: The Evolution and Classification of Palms. Royal Botanic Gardens, Kew. ISBN 978-1-84246-182-2.
  3. [3]
    Gunn BF (Feb 2004). "The Phylogeny of the Cocoeae (Arecaceae) with Emphasis on Cocos nucifera". Annals of the Missouri Botanical Garden. 91 (3): 505–522. ISSN 0026-6493.
  4. [4]
    Canteiro, C. (2021). "Acrocomia totai". IUCN Red List of Threatened Species. 2021: e.T111452251A161420865. doi:10.2305/IUCN.UK.2021-2.RLTS.T111452251A161420865.en. Retrieved 27 October 2022.
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  • Data related to Cocoseae at Wikispecies
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