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

Figure 6.

Three graphs showing logistic output against environmental variables: (a) Bio6 for minimum temperature of the coldest month, ranging from -20°C to 20°C, with an optimal range around 5°C to 15°C; (b) Bio2 for mean diurnal range, ranging from 4°C to 20°C, with an optimal range around 7°C to 18°C; (c) Bio12 for annual precipitation, ranging from 0 mm to 4000 mm, with an optimal range around 1000 mm to 3500 mm. All graphs depict a typical peak in logistic output within the optimal range, marked in red.

Response curves of M. officinalis to three key environmental factors. (a) Min temperature of coldest month (°C); (b) Mean diurnal range (Mean of monthly) (°C); (c) Annual precipitation (mm).