dcsimg
Geonoma
provided by wikipedia EN

Geonoma is a genus of small to medium-sized palms native to the forest understorey of tropical Central and South America.

This palm genus is one of the largest in the Neotropics.[1] Its 64 species are distributed from Mexico and Haiti in the north to Paraguay in the south; two are found in the Lesser Antilles.[2]

The genus is a member of the palm tribe Geonomeae (Arecaceae: Arecoideae), an important Neotropical group due to its wide distribution across Central and South America, its diversity and abundance, and the use of a number of species by local human populations.[3] The distribution of the tribe Geonomeae stretches from southeast Mexico down through Central America and into South America, notably Brazil and Bolivia, and species are also found in the Greater and Lesser Antilles.[4] This tribe consists of a group of understory and sub-canopy palms that populate both tropical lowland and montane forests. While members of this group are relatively easy to collect, as they are not canopy palms or spiny palms, and are well represented in herbaria, the taxonomy and phylogeny of the species within the tribe are still uncertain.[5][6] The resolution of the tribe has been disputed despite the fact that Geonomeae species are characterized by three morphological synapomorphies: the petals of pistillate flowers are basally connate, the presence of slender and elongate styles, and the flowers are borne in pits in the rachillae.[7]

Species

The following species are currently recognized:[8]

References

  1. ^ Henderson, Andrew; Galeano-Garces, Gloria; Bernal, Rodrigo (1997). Field Guide to the Palms of the Americas. Princeton University Press. pp. 214–215. ISBN 0691016003..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  2. ^ Morici, C. (2004). "Palmeras e islas: la insularidad en una de las familias más diversas del reino vegetal". Ecología insular/Island ecology: 81–122.
  3. ^ Roncal, J. Francisco-Ortega, C.B. Asmussen, and C.E. Lewis (2005). 'Molecular phylogenetics of the tribe Geonomeae (Arecaceae) using nuclear DNA sequences of Phosphoribulokinase and RNA Polymerase II'. (Systematic Botany 30(2): 275–283).
  4. ^ Wessels Boer (1968) as cited by Roncal, J. Francisco-Ortega, C.B. Asmussen, and C.E. Lewis (2005). 'Molecular phylogenetics of the tribe Geonomeae (Arecaceae) using nuclear DNA sequences of Phosphoribulokinase and RNA Polymerase II'. (Systematic Botany 30(2): 275–283)
  5. ^ Roncal, J. Francisco-Ortega, C.B. Asmussen, and C.E. Lewis (2005). 'Molecular phylogenetics of the tribe Geonomeae (Arecaceae) using nuclear DNA sequences of Phosphoribulokinase and RNA Polymerase II'. (Systematic Botany 30(2): 275–283)
  6. ^ Asmussen, C.B. and Chase, M.W. (2001) 'Coding and noncoding plastid DNA in palm systematics' (American Journal of Botany 88: 1103–1117)
  7. ^ Uhl and Dransfield 1987 as cited by Roncal, J. Francisco-Ortega, C.B. Asmussen, and C.E. Lewis (2005). 'Molecular phylogenetics of the tribe Geonomeae (Arecaceae) using nuclear DNA sequences of Phosphoribulokinase and RNA Polymerase II'. (Systematic Botany 30(2): 275–283)
  8. ^ "Geonoma — The Plant List". www.theplantlist.org. Retrieved 2017-08-28.
 src= Wikimedia Commons has media related to Geonoma.
 title=
license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN
ID
00c55086a16d5a2a3f7eca1e7c4b641c
Geonoma: Brief Summary
provided by wikipedia EN

Geonoma is a genus of small to medium-sized palms native to the forest understorey of tropical Central and South America.

This palm genus is one of the largest in the Neotropics. Its 64 species are distributed from Mexico and Haiti in the north to Paraguay in the south; two are found in the Lesser Antilles.

The genus is a member of the palm tribe Geonomeae (Arecaceae: Arecoideae), an important Neotropical group due to its wide distribution across Central and South America, its diversity and abundance, and the use of a number of species by local human populations. The distribution of the tribe Geonomeae stretches from southeast Mexico down through Central America and into South America, notably Brazil and Bolivia, and species are also found in the Greater and Lesser Antilles. This tribe consists of a group of understory and sub-canopy palms that populate both tropical lowland and montane forests. While members of this group are relatively easy to collect, as they are not canopy palms or spiny palms, and are well represented in herbaria, the taxonomy and phylogeny of the species within the tribe are still uncertain. The resolution of the tribe has been disputed despite the fact that Geonomeae species are characterized by three morphological synapomorphies: the petals of pistillate flowers are basally connate, the presence of slender and elongate styles, and the flowers are borne in pits in the rachillae.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN
ID
1ef477b9dce42710dce64f2a7b15534c