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Kadua is a genus of flowering plants in the family Rubiaceae. It comprises 29 species,[1] all restricted to Polynesia. Twenty-two of these are endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably extinct. Kadua affinis is widely distributed in Hawaii and is polymorphic.[2] The type species for the genus is Kadua acuminata.[3]
| Kadua | |
|---|---|
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| Kadua affinis | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Rubioideae |
| Tribe: | Spermacoceae |
| Genus: | Kadua Cham. & Schltdl. |
| Type species | |
| Kadua acuminata Cham. & Schltdl. | |
| Species | |
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~ 29 species, see text | |
Kadua was formerly included in a broadly defined and polyphyletic Hedyotis, which encompassed, in addition to Kadua, species now placed in Oldenlandia, Oldenlandiopsis, Houstonia, and other genera. Hedyotis is now circumscribed more narrowly.[4]
Species
In the following list, Kadua haupuensis is added to the species listed by Edward E. Terrell et alii.[5]
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History
The genus Kadua was erected in 1829 by Adelbert von Chamisso and Diederich von Schlechtendal.[6] They named it for Kadu, a native of Ulea, one of the Marshall Islands. Kadu was a friend of von Chamisso and provided valuable assistance to the 1815–1818 expedition led by Otto von Kotzebue. The generic name Kadua fell into disuse in the 20th century, because most authors considered it to be a synonym of Hedyotis. In 1999, twenty species of Kadua were described as species of Hedyotis in a Flora of Hawaii.[7] Kadua flynnii was described in 1998,[8] and Kadua haupuensis in 2010.[9] Kadua was resurrected in 2005.[5] This taxonomic change was corroborated by molecular phylogenetic studies of the tribe Spermacoceae in 2008 and 2009.[4][10]
Phylogeny
The following phylogenetic tree is partly based on a phylogenetic analysis of DNA sequences,[10] and partly inferred from the classification followed in a 2005 paper.[5]
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References
- Kadua At: World Checklist of Rubiaceae At: Kew Gardens Website. (see External links below).
- David J. Mabberley. 2008. Mabberley's Plant-Book third edition (2008). Cambridge University Press: UK. ISBN 978-0-521-82071-4 p. 448
- Kadua In: Index Nominum Genericorum. In: Regnum Vegetabile (see External links below).
- Groeninckx, Inge; Dessein, Steven; Ochoterena, Helga; Persson, Claes; Motley, Timothy J.; Kårehed, Jesper; Bremer, Birgitta; Huysmans, Suzy; Smets, Erik (2009). "Phylogeny of the Herbaceous Tribe Spermacoceae (Rubiaceae) Based on Plastid DNA Data". Annals of the Missouri Botanical Garden. 96: 109–132. doi:10.3417/2006201. S2CID 56042261.
- Terrell, Edward E.; Robinson, Harold E.; Wagner, Warren L.; Lorence, David H. (2005). "Resurrection of Genus Kadua for Hawaiian Hedyotidinae (Rubiaceae), with Emphasis on Seed and Fruit Characters and Notes on South Pacific Species". Systematic Botany. 30 (4): 818. doi:10.1600/036364405775097716. S2CID 85617802.
- Adelbert von Chamisso and Diederich von Schlechtendal. 1829. Linnaea 4:157. (see External links below)
- Warren L. Wagner, Derral R. Herbst, and Sy H. Sohmer. Manual of the Flowering Plants of Hawaii, Revised Edition, 1999. Bishop Museum Press: Hololulu, HI, USA.
- Warren L. Wagner and David H. Lorence. 1998. "A New, Dioecious Species of Hedyotis (Rubiaceae) from Kauaʻi, Hawaiian Islands, and the Taxonomy of Kauaʻi Hedyotis schlechtendahliana Resolved". Novon 8(3):311–317.
- David H. Lorence, Warren L. Wagner, and William G. Laidlaw. 2010. "Kadua haupuensis (Rubiaceae: Spermacoceae), a new endemic species from Kauaʻi, Hawaiian Islands". Brittonia 62(2):137-144. doi:10.1007/s12228-009-9103-y
- Karehed, J; Groeninckx, I; Dessein, S; Motley, T; Bremer, B (2008). "The phylogenetic utility of chloroplast and nuclear DNA markers and the phylogeny of the Rubiaceae tribe Spermacoceae". Molecular Phylogenetics and Evolution. 49 (3): 843–66. doi:10.1016/j.ympev.2008.09.025. PMID 18950720.
External links
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Wikimedia Commons has media related to Kadua. |
- Kadua At: Search Page At: World Checklist of Rubiaceae At: Index by Team At: Projects At: Science Directory At: Scientific Research and Data At: Kew Gardens
- Kadua At: Index Nominum Genericorum At: References At: NMNH Department of Botany
- Kadua In: Linnaea, volume 4 At: Linnaea At: Titles At: Botanicus
- Kadua At: Plant Name Query At: IPNI
- Kadua (exact) At: Names At: Tropicos At: Science and Conservation At: Missouri Botanical Garden
- Kadua At: List of Genera At: Rubiaceae At: List of families At: Families and Genera in GRIN At: Queries At: GRIN taxonomy for plants
- Kadua At: Spermacoceae At: Rubioideae At: Rubiaceae In: ··· Embryophyta At: Streptophytina At: Streptophyta At: Viridiplantae At: Eudaryota At: Taxonomy At: UniProt
- Hedyotis At: List by Species Name At: Hawaiian Ethnobotany Online Database At: Searchable Databases At: Bishop Museum
- Kadua littoralis At: Choose a Plant At: Meet the Plants At: National Tropical Botanical Garden
- Kadua affinis At: Rubiaceae At: Plants of Hawaii At: Images At: Hawaiian Ecosystems at Risk
На других языках
- [en] Kadua
[es] Kadua
Kadua es un género con 60 especies[1] de plantas con flores perteneciente a la familia de las rubiáceas.[2]Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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