# Cryptocoryne usteriana

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Species of aquatic plant

Usteri's water trumpet Conservation status Near Threatened (IUCN 2.3) Scientific classification Kingdom: Plantae Clade: Embryophytes Clade: Tracheophytes Clade: Spermatophytes Clade: Angiosperms Clade: Monocots Order: Alismatales Family: Araceae Genus: Cryptocoryne Species: C. usteriana Binomial name Cryptocoryne usteriana Engl. (1905)[1]

***Cryptocoryne usteriana*** is a species of aquatic [herb](/source/Herb) in the family [Araceae](/source/Araceae) endemic to the [Philippines](/source/Philippines).[2] It was named after the German botanist Alfred Usteri[3] who discovered the plant in the island-province of [Guimaras](/source/Guimaras) in 1902.[4] The species can also be found in the mainland [Panay](/source/Panay), in tributaries of lowland [bedrock river](/source/Bedrock_river) with not too rapidly flowing water and seasonal flood pools. During the summer, its natural habitat dries up and plants undergo [complete meltdown](/source/Cryptocoryne#Crypt_melt). The following monsoon rain and inundation triggers the remaining rootstock or rhizome to regrow quickly and send blooms underwater. Due to [overcollection](/source/Poaching) for the [aquarium trade](/source/Aquascaping), the local government categorized it as [threatened species](/source/Threatened_species).[5]

## References

1. **[^](#cite_ref-IPNI_1-0)** ["*Cryptocoryne usteriana*"](https://www.ipni.org/n/86744-1). *[International Plant Names Index](/source/International_Plant_Names_Index) (IPNI)*. [Royal Botanic Gardens, Kew](/source/Royal_Botanic_Gardens%2C_Kew); [Harvard University Herbaria](/source/Harvard_University_Herbaria) & [Libraries](/source/Harvard_Library); [Australian National Botanic Gardens](/source/Australian_National_Botanic_Gardens). Retrieved 31 August 2018.

1. ^ [***a***](#cite_ref-tootsie_2-0) [***b***](#cite_ref-tootsie_2-1) ["World Checklist of Selected Plant Families"](http://apps.kew.org/wcsp/namedetail.do?name_id=52063). Royal Botanic Gardens, Kew. Retrieved 2018-08-31.

1. **[^](#cite_ref-3)** ["Cryptocoryne usteriana, Engler (1905)"](http://aquaflora.dk/plant-e/besk/cryp-ust.html). *AquaFlora.dk – your guide to aquatic plants*. Sven Erik Riedel. Retrieved 1 September 2018.

1. **[^](#cite_ref-4)** ["Usteri, Alfred"](http://www.nationaalherbarium.nl/FMCollectors/U/UsteriA.htm). *Cyclopaedia of Malesian Collectors*. P.C. van Welzen. Retrieved 31 August 2018.

1. **[^](#cite_ref-5)** ["Updated national list of threatened Philippine plants and their categories"](https://web.archive.org/web/20180827170155/http://www.philippineplants.org/dao-2017-11.pdf) (PDF). *Co Digital Flora of the Philippines*. Philippine Department of Environment and Natural Resources (DENR). Archived from [the original](http://www.philippineplants.org/dao-2017-11.pdf) (PDF) on 27 August 2018. Retrieved 1 September 2018.

## External links

- [Cryptocoryne usteriana - Tropica Aquarium Plants](https://tropica.com/en/plants/plantdetails/Cryptocoryneusteriana(120)/18405)

Taxon identifiers Cryptocoryne usteriana Wikidata: Q15337232 CoL: ZWX6 EoL: 1092510 EPPO: KNYUS GBIF: 2869135 iNaturalist: 141487 IPNI: 86744-1 IRMNG: 10253823 ISC: 113666 Open Tree of Life: 4001242 Plant List: kew-52063 POWO: urn:lsid:ipni.org:names:86744-1 WFO: wfo-0000933280

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