'Nature's algorithm' found in Chinese money plants
Researchers from Cold Spring Harbor Laboratory and other institutions have identified a naturally occurring Voronoi pattern in the leaf veins of the Chinese money plant (Pilea peperomioides). The study, published in Nature Communications, proposes a biological algorithm that explains how these plants organize their vascular systems without explicit distance measurement.
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Read the original article: https://phys.org/news/2026-05-nature-algorithm-chinese-money.html
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fact_checkFact-Check Results
8 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.
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“Voronoi diagrams are geometric patterns used to divide space into regions.”
VERIFIED BY REFERENCE
Wikipedia and other educational sources explicitly define a Voronoi diagram as a partition of a plane into regions based on distance to a set of objects.
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— Voronoi diagram 20 points and their Voronoi cells (larger version below) In mathematics, a Voronoi diagram is a partition of a plane into regions close to each of a given set of objects. It can be cla…
https://en.wikipedia.org/wiki/Voronoi_diagram
https://en.wikipedia.org/wiki/Voronoi_diagram
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— Dive into the world of data with Voronoi by Visual Capitalist. Discover captivating visualizations like charts and maps, all sourced transparently from renowned creators globally. Uncover the stories …
https://www.voronoiapp.com/
https://www.voronoiapp.com/
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— Summary: A voronoi diagram (or Dirichlet tessellation) is a type of diagram where a number of points are scattered on a plane and divided into n number of cells, which enclose a region of the plane cl…
https://builtin.com/data-science/voronoi-diagram
https://builtin.com/data-science/voronoi-diagram
“Voronoi-like patterns are common in nature—giraffe stripes, for example.”
CORROBORATED
Multiple sources, including EurekAlert! and a PDF on grid systems, mention Voronoi-like patterns in nature, specifically citing giraffe stripes as an example.
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— Natural patterns form as wind blows sand in the dunes of the Namib Desert. The crescent shaped dunes and the ripples on their surfaces repeat wherever there are suitable conditions.
https://en.wikipedia.org/wiki/Patterns_in_nature
https://en.wikipedia.org/wiki/Patterns_in_nature
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— Voronoi-like patterns are common in nature—giraffe stripes, for example. However, the keyword there is “like.” The difference between textbook Voronoi patterns and what we see in nature is that the la…
https://www.eurekalert.org/news-releases/1127727
https://www.eurekalert.org/news-releases/1127727
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— In the context of innovative patterns for tall buildings, Voronoi tessellation is certainly worthy of interest. It is an irregular biomimetic pattern based on the Voronoi diagram, which derives from t…
https://www.researchgate.net/publication/329610146_Voronoi-L…
https://www.researchgate.net/publication/329610146_Voronoi-L…
“Saket Navlakha and former graduate student Cici Zheng have found an exception [to the lack of visible central points in natural Voronoi-like patterns] in Pilea peperomioides, the Chinese money plant.”
CORROBORATED
The NDLI source and the GitHub repository for the research confirm that Saket Navlakha and Cici Zheng identified a Voronoi pattern in Pilea peperomioides, specifically noting the role of hydathodes as central points.
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— Saket Navlakha's 83 research works with 3,039 citations, including: A neural algorithm for computing bipartite matchings.
https://www.researchgate.net/scientific-contributions/Saket-…
https://www.researchgate.net/scientific-contributions/Saket-…
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— Pilea peperomioidesにおける網状葉脈はVoronoi図である【JST機械翻訳】. Publisher site {{ this.onShowPLink() }} Copy service. Access JDreamⅢ for advanced search and analysis. This is a preprint. See "About preprints" page …
https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=2024022119185…
https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=2024022119185…
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— We show that in the Chinese money plant (Pilea peperomioides), major veins form an approximate Voronoi diagram surrounding secretory pores known as hydathodes. We also propose a mechanistic model base…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
“Chinese money plants are perennials native to China's Yunnan and Sichuan provinces.”
SINGLE SOURCE
While sources confirm Pilea peperomioides is a perennial and a houseplant, the provided evidence does not specifically mention its native origin being the Yunnan and Sichuan provinces of China.
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— Pilea is a diverse genus within the nettle family (Urticaceae), known for its attractive foliage and easy care, making it a favorite among indoor plant enthusiasts. This genus includes over 600 specie…
https://www.gardenia.net/genus/pilea-best-varieties-care-gro…
https://www.gardenia.net/genus/pilea-best-varieties-care-gro…
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— Feb 9, 2026 · The Chinese money plant (Pilea peperomioides), also known as the friendship plant, is treasured for its unique coin-shaped leaves and easy care requirements. Known by names like the coin…
https://www.thespruce.com/growing-pilea-peperomioides-509042…
https://www.thespruce.com/growing-pilea-peperomioides-509042…
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— May 4, 2026 · Not only are they aesthetically pleasing, but many Pilea species are also non-toxic to pets, making them an excellent choice for plant enthusiasts with furry friends around. Join us as w…
https://houseplantalley.com/types-of-pilea-plants/
https://houseplantalley.com/types-of-pilea-plants/
“Its round, flat leaves feature prominent pores called hydathodes, surrounded by looping reticulate veins”
VERIFIED
The NDLI source explicitly states that major veins in Pilea peperomioides form a Voronoi diagram surrounding secretory pores known as hydathodes.
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— Pilea peperomioides is an example of a plant that has been spread amongst amateur gardeners via cuttings, without being well known to western botanists until the late 20th century. This led to the pla…
https://en.wikipedia.org/wiki/Pilea_peperomioides
https://en.wikipedia.org/wiki/Pilea_peperomioides
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— We show that in the Chinese money plant (Pilea peperomioides), major veins form an approximate Voronoi diagram surrounding secretory pores known as hydathodes. We also propose a mechanistic model base…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
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— Pilea peperomioides leaves can grow to up to 4 inches in diameter, with the plant itself capable of reaching up to 15 1/2 inches in some cases (although it usually stays a little smaller).
https://gardenbetty.com/pilea-peperomioides-chinese-money-pl…
https://gardenbetty.com/pilea-peperomioides-chinese-money-pl…
“By mapping Chinese money plants' pores and veins, Navlakha and Zheng discovered a naturally occurring Voronoi pattern.”
CORROBORATED
The NDLI source and the GitHub repository confirm that mapping the veins and pores (hydathodes) of the plant revealed a Voronoi pattern.
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— Find the definition of GIS. Learn how this mapping and analysis technology is crucial for making sense of data. Learn from examples and find out why GIS is more important than ever.
https://www.esri.com/en-us/what-is-gis/overview
https://www.esri.com/en-us/what-is-gis/overview
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— Apr 16, 2026 · Online mapping software has seen significant advancements over the past year. We are witnessing new trends and technologies that are transforming the way we interact with maps and geosp…
https://www.caliper.com/maptitude/blog/10-best-online-mappin…
https://www.caliper.com/maptitude/blog/10-best-online-mappin…
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— Find local businesses, view maps and get driving directions in Google Maps.
https://maps.google.com/
https://maps.google.com/
“The work is published in the journal Nature Communications.”
CORROBORATED
The GitHub repository and the Nature Communications research article listing confirm the work is published/to appear in Nature Communications.
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— Pilea peperomioides, Chinese money plant.Voronoi-like patterns are common in nature—giraffe stripes, for example. However, the keyword there is “like.” The difference between textbook Voronoi patterns…
https://www.eurekalert.org/news-releases/1127727
https://www.eurekalert.org/news-releases/1127727
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— The recent discovery of Voronoi patterns in the Pilea peperomioides—better known as the Chinese money plant—isn’t just a botanical curiosity. it’s a masterclass in decentralized spatial optimization.
https://www.world-today-news.com/natures-algorithm-the-secre…
https://www.world-today-news.com/natures-algorithm-the-secre…
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— This repository contains computer models for the article: "Reticulate leaf venation in Pilea peperomioides is a Voronoi diagram" by Zheng et al. (2026), to appear in Nature Communications.
https://github.com/AlgorithmicBotany/pilea-voronoi
https://github.com/AlgorithmicBotany/pilea-voronoi
“CiCi Xingyu Zheng et al, Reticulate leaf venation in Pilea peperomioides is a Voronoi diagram, Nature Communications (2026). DOI: 10.1038/s41467-026-71768-3”
CORROBORATED
Multiple sources (Nature Communications, NDLI, and GitHub) confirm the title 'Reticulate leaf venation in Pilea peperomioides is a Voronoi diagram', the authors (Zheng et al.), the journal (Nature Communications), and the 2026 date.
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— Reticulate leaf venation in Pilea peperomioides is a Voronoi diagram. Reticulate venation patterns on leaves are ubiquitous in nature yet have eluded characterization.
https://www.nature.com/ncomms/research-articles?error=cookie…
https://www.nature.com/ncomms/research-articles?error=cookie…
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— Zheng, Xingyu Venezia, Matthew Blum, Elijah Ullas, V. Pedmale Jackson, Dave Prusinkiewicz, Przemyslaw Navlakha, Saket. Abstract. Abstract Reticulate leaf venation, characterized by the presence of loo…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
http://www.ndl.gov.in/re_document/biorxiv/biorxiv/_content_1…
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— This repository contains computer models for the article: "Reticulate leaf venation in Pilea peperomioides is a Voronoi diagram" by Zheng et al. (2026), to appear in Nature Communications.
https://github.com/AlgorithmicBotany/pilea-voronoi
https://github.com/AlgorithmicBotany/pilea-voronoi
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Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.