Jabuticaba Index®

Categorizing Brazilian singularities. From the capybara to the precatório.

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Nature · #5 of 26

Jabuticaba

The fruit that gives the index its name and grows stuck to the tree trunk. The gold standard of Brazilianness, with some Paraguayan caveats.

Fictional dataMachine translation, not yet reviewed.

Jabuticaba Index®

94%

Plausibility range: 94%

94%, plausibility range 94% to 94%0255075100
A

Evidence grade. Computed from source types: from A (official and academic data) to D (editorial judgment). It does not change the index.

01What exactly is being measured

Plinia cauliflora, native or cultivated, in orchards or backyards.

02Context

The jabuticaba is this index’s unit of measurement and, for methodological consistency, it was measured too [1].

The data show residual presence in neighboring countries [2, p. 12], which has not stopped anyone from using it as a metaphor.

03Where else it exists

Projection
Argentina: MarginalBolivia: MarginalBrazilParaguay: RegionalUnited States: Absent (checked) – Marginal
Argentina: MarginalBolivia: MarginalBrazilParaguay: RegionalUnited States: Absent (checked) – Marginal
  • Local presence(Marginal → Widespread)
  • Exported from Brazil(Marginal → Widespread)
  • Brazil
  • Absent (checked)
  • No data

Equal Earth projection. Places with uncertain presence take the color of the highest possible level; the table shows the full range.

Place (4)
PlacePresenceWeightSources
ParaguayRegional0.5[1]
ArgentinaMarginal0.1[1]
BoliviaMarginal0.1[1]
United StatesAbsent (checked) – Marginal0–0.1[1]
Presence abroad0.7–0.8

04How we got this number

Presence abroad

Sum of each place's weight: widespread = 1, regional = 0.5, marginal = 0.1. Where it only exists as a Brazilian export, the weight is multiplied by 0.5.

0.75 (0.7–0.8)
Exclusivity E

From 0 (exists everywhere) to 1 (only in Brazil), on a log scale.

0.88 (0.87–0.89)
Intensity I

How much more common it is in Brazil than in the other places where it exists.

Grown at national scale in Brazil; abroad, limited to backyards and collectors. [2]

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Rarity coefficient R

R = E + 0.5 × (I ÷ 4) × (1 − E)

R = 0.88 + 0.5 × (4 ÷ 4) × (1 − 0.88) = 0.94

0.94
Jabuticaba Index®
94%

Not part of the score

Awareness

How aware Brazilians are that this is rare abroad.

Used as a national metaphor for anything that only exists in Brazil. editorial judgment

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05Sources

  1. [1]

    Censo Imaginário de Coisas Brasileiras 2025

    Instituto Brasileiro de Geografia Imaginária · 2025 · Statistical data · in Portuguese

    example.org/fictional-census · accessed Sep 25, 2026

  2. [2]

    A. Nonymous, P. Laceholder. A Global Survey of Allegedly Unique Things

    University of Nowhere Press · Jun 2024 · Academic

    example.org/fictional-survey · accessed Sep 25, 2026

Last reviewed Sep 25, 2026 · Methodology v0.2