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Table 1 Range values (minimum–maximum) of the ecological factors for ten diosgenin-contained Dioscorea species

From: Predicting the potential global distribution of diosgenin-contained Dioscorea species

Species T-aver (°C) T-warm (°C) T-cold (°C) Precipitation (mm) Radiation (W m−2) Humidity (%)
D. althaeoides 4.80 to 21.50 12.00 to 28.50 − 4.10 to 14.20 347 to 1736 125.58 to 153.30 41.90 to 76.40
Soil types: Acrisols, Alisols, Andosols, Anthrosols, Chernozems etc.
D. collettii 4.40 to 27.20 10.90 to 29.30 − 4.10 to 26.20 543 to 4854 119.08 to 168.05 50.20 to 77.00
Soil types: Acrisols, Alisols, Anthrosols, Cambisols, Fluvisols etc.
D. composita 12.40 to 27.20 13.30 to 32.80 4.80 to 25.20 785 to 4143 136.80 to 198.97 51.60 to 78.10
Soil types: Acrisols, Andosols, Arenosols, Cambisols, Fluvisols etc.
D. deltoidea − 6.70 to 28.10 4.20 to 34.10 − 18.20 to 26.1 142 to 3774 122.83 to 228.01 38.40 to 76.50
Soil types: Acrisols, Andosols, Arenosols, Cambisols, Fluvisols etc.
D. gracillima 2.00 to 19.50 13.20 to 28.70 − 18.70 to 10.3 543 to 2821 116.73 to 144.76 56.80 to 76.40
Soil types: Acrisols, Alisols, Andosols, Anthrosols, Cambisols etc.
D. nipponica − 1.70 to 25.90 5.60 to 28.80 − 20.30 to 220 295 to 3338 113.89 to 165.42 47.60 to 76.80
Soil types: Acrisols, Alisols, Andosols, Arenosols, Anthrosols etc.
D. panthaica 6.20 to 20.30 13.20 to 27.50 − 3.50 to 15.10 543 to 1743 122.15 to 154.77 50.20 to 75.70
Soil types: Acrisols, Alisols, Anthrosols, Cambisols, Fluvisols, etc.
D. spiculiflora 11.20 to 27.10 13.10 to 29.30 9.00 to 26.30 344 to 4296 150.92 to 207.56 46.50 to 80.50
Soil types: Acrisols, Andosols, Cambisols, Gleysols, Kastanozems etc.
D. sylvatica 6.20 to 24.00 10.40 to 26.40 1.20 to 20.20 68 to 1600 161.28 to 206.69 46.00 to 73.80
Soil types: Acrisols, Arenosols, Calcisols, Cambisols, Fluvisols etc.
D. zingiberensis 7.40 to 24.20 16.60 to 28.70 − 3.50 to 18.80 543 to 1849 117.70 to 150.39 52.90 to 76.00
Soil types: Acrisols, Alisols, Andosols, Anthrosols, Cambisols etc.
  1. T-aver annual mean temperature, T-warm mean temperature of warmest quarter, T-cold mean temperature of coldest quarter, Precipitation annual precipitation, Radiation annual radiation, Humidity annual relative humidity