Molecular Biology and Genetics

Molecular Biology

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Specimen Records: 7
Specimens with Sequences: 7
Specimens with Barcodes: 7
Species: 3
Species With Barcodes: 3
Public Records: 7
Public Species: 3
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Wikipedia

Thrinax

For other uses, see Thrinax (disambiguation).

Thrinax is a genus in the palm family, native to the wider Caribbean. It is closely related to the genera Coccothrinax, Hemithrinax and Zombia.[3] Flowers are small and bisexual, and are borne on small stalks.

Thrinax consists of four species. Three of them are single-island endemics - Thrinax ekmaniana is exclusively endemic to hills Mogotes de Jumagua, Cuba while Thrinax excelsa and Thrinax parviflora are endemic to Jamaica. The fourth species, Thrinax radiata, is more widespread - it is present in the Greater Antilles, the Bahamas, south Florida, Mexico and Central America.

Taxonomy[edit]






Coccothrinax



Hemithrinax



Leucothrinax




Zombia





Thrinax




Schippia



Cryosophila






Itaya




Chelyocarpus


Simplified phylogeny of the tribe Cryosophileae (except Trithrinax) based on the nuclear genes PKR and RPB2.[4]

In the first edition of Genera Palmarum (1987), Natalie Uhl and John Dransfield placed the genus Thrinax in the subfamily Coryphoideae, the tribe Corypheae and the subtribe Thrinacinae[5] Subsequent phylogenetic analysis showed that the Old World and New World members of the Thrinacinae are not closely related. As a consequence of this, Thrinax and related genera have been placed in their own tribe, Cryosophileae.[1] In 2008, Leucothrinax morrisii (formerly T. morrisii) was split from Thrinax after phylogenetic studies showed that its inclusion in Thrinax would render that genus paraphyletic.[6]

References[edit]

  1. ^ a b Dransfield, John; Natalie W. Uhl; Conny B. Asmussen; William J. Baker; Madeline M. Harley; Carl E. Lewis (2005). "A New Phylogenetic Classification of the Palm Family, Arecaceae". Kew Bulletin 60 (4): 559–69. JSTOR 25070242. 
  2. ^ "Thrinax". World Checklist of Selected Plant Species. Royal Botanic Gardens, Kew. Retrieved 10 April 2010. 
  3. ^ Henderson, Andrew; Gloria Galeano; Rodrigo Bernal (1995). Field Guide to the Palms of the Americas. Princeton, New Jersey: Princeton University Press. ISBN 0-691-08537-4. 
  4. ^ Roncal, Julissa; Scott Zona; Carl E. Lewis (2008). "Molecular Phylogenetic Studies of Caribbean Palms (Arecaceae) and Their Relationships to Biogeography and Conservation". Botanical Review 74 (1): 78–102. doi:10.1007/s12229-008-9005-9. 
  5. ^ Uhl, Natalie E.; John Dransfield (1987). Genera Palmarum: a classification of palms based on the work of Harold E. Moore Jr. Lawrence, Kansas: The L. H. Bailey Hortorium and the International Palm Society. 
  6. ^ Lewis, Carl E.; Scott Zona (2008). "Leucothrinax morrisii, a new name for a familiar Caribbean palm". Palms 52 (2): 84–88. 
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