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. 2025 Jul 8;16:1601585. doi: 10.3389/fpls.2025.1601585

Figure 2.

Radar chart displaying variables Bio1 to Bio19 around a circular grid. Blue dots represent data points connected by green lines, indicating relationships among variables. Data values range from 0 to 35.

The contribution rate (%) of nineteen bioclimatic variables to M. officinalis. Bio1, Annual mean temperature (°C); Bio2, Mean diurnal range (Mean of monthly) (°C); Bio3, Isothermality (Bio2/Bio7) (×100); Bio4, Standard deviation of temperature seasonality; Bio5, Max temperature of warmest month (°C); Bio6, Min temperature of coldest month (°C); Bio7, Temperature annual range (Bio5-Bio6) (°C); Bio8, Mean temperature of wettest quarter (°C); Bio9, Mean temperature of driest quarter (°C); Bio10, Mean temperature of warmest quarter (°C); Bio11, Mean temperature of coldest quarter (mm); Bio12, Annual precipitation (mm); Bio13, Precipitation of wettest month (mm); Bio14, Precipitation of driest month (mm); Bio15, Variation of precipitation seasonality; Bio16, Precipitation of wettest quarter (mm); Bio17, Precipitation of driest quarter (mm); Bio18, Precipitation of warmest quarter (mm); Bio19, Precipitation of coldest quarter (mm).