Economic Botany

, Volume 73, Issue 3, pp 293–303 | Cite as

The Use of “Use Value”: Quantifying Importance in Ethnobotany

  • Jasmine Zenderland
  • Robbie HartEmail author
  • Rainer W. Bussmann
  • Narel Y. Paniagua Zambrana
  • Shalva Sikharulidze
  • Zaal Kikvidze
  • David Kikodze
  • David Tchelidze
  • Manana Khutsishvili
  • Ketevan Batsatsashvili
Original Article


The Use of “Use Value”: Quantifying Importance in Ethnobotany. Use value (UV) is an index widely used to quantify the relative importance of useful plants. It combines the frequency with which a species is mentioned with the number of uses mentioned per species, and is often used to highlight prominent species of interest. However, high-UV species are often disproportionately cultivated species, with wild-collected plants ranking lower. To better understand this pattern, and to determine if it is present in the broader ethnobotanical literature, we reviewed an array of papers with results on UV and cultivation status, and we analyzed in depth data from two large ethnobotanical studies in the Republic of Georgia in the Caucasus. In addition to looking for differences in UV by cultivation status, we compared the two best-populated categories of use (medicinal and food uses) and the components of UV (relative frequency of citation and number of uses mentioned per species). We found that UV was higher in cultivated plants than wild plants in both the Caucasus datasets and the 17 studies overall. Medicinal plants did not exhibit this trend, as medicinal wild plants had marginally higher UV than medicinal cultivated plants. Relative frequency of citation had a substantial effect on UV, in contrast to number of uses mentioned for a given plant. In sum, UV seems subject to some obscured biases which are important to consider in the context of each study.

Key Words

Quantitative ethnobotany importance index use value cultivation wild collection 



The authors thank all participants in the Republic of Georgia for their generous hospitality and friendship. We are hopeful that the project this paper is based upon will help the communities meet their needs and aspirations. This work was supported by NSF DBI 1559962 (“REU Site: Botany and Conservation Biology Research at the Missouri Botanical Garden”).

Supplementary material

12231_2019_9480_MOESM1_ESM.csv (150 kb)
ESM 1 (CSV 149 kb)


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Copyright information

© The New York Botanical Garden 2019

Authors and Affiliations

  • Jasmine Zenderland
    • 1
  • Robbie Hart
    • 2
    Email author
  • Rainer W. Bussmann
    • 3
  • Narel Y. Paniagua Zambrana
    • 3
  • Shalva Sikharulidze
    • 3
  • Zaal Kikvidze
    • 3
  • David Kikodze
    • 3
  • David Tchelidze
    • 3
  • Manana Khutsishvili
    • 3
  • Ketevan Batsatsashvili
    • 4
  1. 1.Humboldt State UniversityArcataUSA
  2. 2.Missouri Botanical GardenSt. LouisUSA
  3. 3.Institute of Botany and Bakuriani Alpine Botanical Garden, Department of EthnobotanyIlia State UniversityTbilisiGeorgia
  4. 4.Institute of EcologyIlia State UniversityTbilisiGeorgia

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