# Rhysotoechia

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***Rhysotoechia*** is a [genus](/source/Genus) of plants in the soapberry family [Sapindaceae](/source/Sapindaceae) which is native to parts of [Malesia](/source/Malesia) and [Australia](/source/Australia).

## Taxonomy

The genus was created in 1879 by the Bavarian-born botanist [Ludwig Adolph Timotheus Radlkofer](/source/Ludwig_Adolph_Timotheus_Radlkofer).[3] The [type species](/source/Type_(biology)#In_botany) is *Rhysotoechia mortoniana*, based on *Cupania mortoniana* .[4]

## Distribution and habitat

Species in this genus inhabit [rainforest](/source/Rainforest) or rainforest margins, from [Borneo](/source/Borneo) east to [New Guinea](/source/New_Guinea), and from the [Philippines](/source/Philippines) south to eastern [Australia](/source/Australia).[4][5][6]

## Species

The following list includes all 19 species of *Rhysotoechia* that are accepted by both [Plants of the World Online](/source/Plants_of_the_World_Online) and the [Global Biodiversity Information Facility](/source/Global_Biodiversity_Information_Facility).[5][7]

- *[Rhysotoechia applanata](/source/Rhysotoechia_applanata)* - Papua New Guinea[6]: 706
- *[Rhysotoechia bifoliolata](/source/Rhysotoechia_bifoliolata)* - Queensland, New South Wales[8] - [*R. b.* subsp. *nitida*](/source/Rhysotoechia_bifoliolata_subsp._nitida) - Queensland[9]
- *[Rhysotoechia bilocularis](/source/Rhysotoechia_bilocularis)* - Western New Guinea[6]: 706
- *[Rhysotoechia congesta](/source/Rhysotoechia_congesta)* - Papua New Guinea[6]: 706
- *[Rhysotoechia elongata](/source/Rhysotoechia_elongata)* - Papua New Guinea[6]: 708
- *[Rhysotoechia etmanii](/source/Rhysotoechia_etmanii)* - Papua New Guinea[10]
- *[Rhysotoechia flavescens](/source/Rhysotoechia_flavescens)* - Queensland[11]
- *[Rhysotoechia florulenta](/source/Rhysotoechia_florulenta)* - Queensland[12]
- *[Rhysotoechia gracilipes](/source/Rhysotoechia_gracilipes)* - Papua New Guinea[6]: 708
- *[Rhysotoechia grandifolia](/source/Rhysotoechia_grandifolia)* - Borneo, Maluku Islands[6]: 712
- *[Rhysotoechia koordersii](/source/Rhysotoechia_koordersii)* - Borneo, Sulawesi[6]: 708
- *[Rhysotoechia longipaniculata](/source/Rhysotoechia_longipaniculata)* - Western New Guinea[6]: 712
- *[Rhysotoechia momiensis](/source/Rhysotoechia_momiensis)* - Western New Guinea[6]: 712
- *[Rhysotoechia mortoniana](/source/Rhysotoechia_mortoniana)* - Queensland[13]
- *[Rhysotoechia multiscapa](/source/Rhysotoechia_multiscapa)* - Papua New Guinea[6]: 709
- *[Rhysotoechia obtusa](/source/Rhysotoechia_obtusa)* - Papua New Guinea[6]: 709
- *[Rhysotoechia ramiflora](/source/Rhysotoechia_ramiflora)* - Borneo, Philippines, Sulawesi[6]: 710
- *[Rhysotoechia robertsonii](/source/Rhysotoechia_robertsonii)* - Papua New Guinea, Queensland[6]: 711
- *[Rhysotoechia welzeniana](/source/Rhysotoechia_welzeniana)* - Papua New Guinea[14]

## References

1. Etman, B. (1994). ["A taxonomic and phylogenetic analysis of *Rhysotoechia* (Sapindaceae)"](http://www.repository.naturalis.nl/record/524709). *Blumea: Biodiversity, Evolution and Biogeography of Plants*. **39** (1): 41–71. Retrieved 20 May 2015.

1. ["*Rhysotoechia*"](https://id.biodiversity.org.au/name/apni/70924). *[Australian Plant Name Index](/source/Australian_Plant_Name_Index) (APNI)*. Centre for Australian National Biodiversity Research, [Australian Government](/source/Australian_Government). Retrieved 18 October 2023.

1. ["*Rhysotoechia*"](https://www.ipni.org/n/36558-1). *[International Plant Names Index](/source/International_Plant_Names_Index) (IPNI)*. [Royal Botanic Gardens, Kew](/source/Royal_Botanic_Gardens,_Kew). 2023. Retrieved 18 October 2023.

1. Reynolds, S.T. (1984). ["Notes on Sapindaceae, III"](https://www.biodiversitylibrary.org/item/322154). *Austrobaileya: A Journal of Plant Systematics*. **2** (1): 41–44. [doi:10.5962/p.365524](https://doi.org/10.5962/p.365524). Retrieved 18 October 2023.

1. ["*Rhysotoechia* Radlk."](https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:36558-1). *Plants of the World Online*. [Royal Botanic Gardens, Kew](/source/Royal_Botanic_Gardens,_Kew). 2023. Retrieved 18 October 2023.

1. Etman, B. (1994). [*Flora Malesiana*](https://www.biodiversitylibrary.org/item/90411). Vol. 11 (3). Djakarta: Noordhoff-Kolff. pp. 704–713. Retrieved 18 October 2023.

1. ["*Rhysotoechia* Radlk."](https://www.gbif.org/species/7264796). *Global Biodiversity Information Facility*. 2023. Retrieved 18 October 2023.

1. Reynolds, S.T. (2022). ["*Rhysotoechia bifoliolata* Radlk."](https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20bifoliolata). *[Flora of Australia](/source/Flora_of_Australia)*. Busby, John R. & Kodela, P.G. (eds.). [Australian Biological Resources Study](/source/Australian_Biological_Resources_Study), Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2023.

1. Kodela, P.G. (2022). ["*Rhysotoechia bifoliolata* subsp. *nitida* S.T.Reynolds"](https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20bifoliolata%20subsp.%20nitida). *[Flora of Australia](/source/Flora_of_Australia)*. Kodela, P.G. (ed.). [Australian Biological Resources Study](/source/Australian_Biological_Resources_Study), Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2023.

1. Takeuchi, W. (2001). ["A distinctive new *Rhysotoechia* (Sapindaceae) from Papua New Guinea"](https://repository.naturalis.nl/pub/525080/BLUM2001046003013.pdf). *Blumea*. **46** (3): 569–573. Retrieved 18 October 2023.

1. Reynolds, S.T. (2022). ["*Rhysotoechia flavescens* Radlk."](https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20flavescens). *[Flora of Australia](/source/Flora_of_Australia)*. Busby, John R. & Kodela, P.G. (eds.). [Australian Biological Resources Study](/source/Australian_Biological_Resources_Study), Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2023.

1. Kodela, P.G. (2022). ["*Rhysotoechia florulenta*"](https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20florulenta). *[Flora of Australia](/source/Flora_of_Australia)*. [Australian Biological Resources Study](/source/Australian_Biological_Resources_Study), Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2023.

1. Reynolds, S.T. (2022). ["*Rhysotoechia mortoniana* (F.Muell.) Radlk."](https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20mortoniana). *[Flora of Australia](/source/Flora_of_Australia)*. Busby, John R. & Kodela, P.G. (eds.). [Australian Biological Resources Study](/source/Australian_Biological_Resources_Study), Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2023.

1. Takeuchi, Wayne (7 Aug 2012). ["Modern sequels to the Kaiserin-Augusta-Fluss itinerary of Carl Ledermann: *Rhysotoechia welzeniana* sp. nov. (Sapindaceae), a remarkable species from the upper Sepik of Papua New Guinea"](https://www.biotaxa.org/Phytotaxa/article/view/phytotaxa.61.1.5). *Phytotaxa*. **61**: 55–60. [doi:10.11646/phytotaxa.61.1.5](https://doi.org/10.11646/phytotaxa.61.1.5). Retrieved 18 October 2023.

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Adapted from the Wikipedia article [Rhysotoechia](https://en.wikipedia.org/wiki/Rhysotoechia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Rhysotoechia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.