Table 1 List of plant functional traits and ecological indicator values measured on studied apomictic and non-apomictic species, their mean values and significant differences (ns, non-significant; *P < 0.05; **P < 0.01; ***P < 0.001).
Traits | Apomictis | Non-apomictis | P |
|---|---|---|---|
Whole plant traits: | |||
Plant height (cm) | 35.05 | 32.46 | ns |
Seed traits | |||
Embryo/endosperm ratio | 2.49 | 1.49 | *** |
Percentage of endosperm | 32.03 | 32.17 | ns |
Embryo nuclei counts | 1206.8 | 1777.1 | * |
Endosperm nuclei counts | 550.43 | 678.34 | ns |
Organ traits: | |||
Leaf nitrogen content (%) | 2.17 | 2.57 | ns |
Leaf phosphorus content (%) | 0.16 | 0.18 | ns |
Leaf carbon content (%) | 41.77 | 40.26 | ns |
Leaf d13carbon (‰) | −26.59 | −26.81 | ns |
Leaf d15nitrogen (‰) | 2.16 | 3.16 | ns |
Leaf dry matter content (mg/g) | 341.9 | 293.9 | ns |
Root nitrogen content (%) | 0.96 | 1.16 | ns |
Root phosphorus content (%) | 0.12 | 0.13 | ns |
Starch content (%) | 4.60 | 4.21 | ns |
Fructan content (%) | 4.03 | 4.50 | ns |
Soluble sugars (%) | 4.93 | 4.92 | ns |
Total nonstructural carbohydrates (%) | 11.41 | 12.05 | ns |
Raunkiær’s plant life-forms | |||
Therophytes | 0.00 | 0.10 | ns |
Geophytes | 0.08 | 0.06 | ns |
Hemicryptophytes | 0.92 | 0.68 | ns |
Chamaephytes | 0.00 | 0.12 | ns |
Phanerophytes | 0.00 | 0.05 | ns |
Clonal growth forms | |||
Clonal (%) | 0.85 | 0.33 | *** |
Hypogeogeic rhizomes <10 cm (%) | 0.08 | 0.01 | ns |
Hypogeogeic rhizomes >10 cm (%) | 0.15 | 0.07 | ns |
Epigeogeic rhizome <10 cm (%) | 0.54 | 0.15 | *** |
Epigeogeic rhizome >10 cm (%) | 0.08 | 0.01 | ns |
Tap root, caudex and short increments (%) | 0.15 | 0.38 | ns |
Tap root, caudex and long increments (%) | 0.00 | 0.14 | ns |
Cushions with no advantitious buds on roots (%) | 0.00 | 0.03 | ns |
Non-spreading integrators (%) | 0.15 | 0.45 | *** |
Spreading integrators (%) | 0.00 | 0.13 | ns |
Non-spreading splitters (%) | 0.62 | 0.24 | *** |
Spreading splitters (%) | 0.31 | 0.08 | * |
Species ecological information | |||
Landscape abundance (frequency) | 1227 | 487 | *** |
Elevation optima (m a.s.l) | 4430 | 4347 | ns |
Elevation range (m) | 2044 | 1677 | * |
Elevation minima (m) | 3217 | 3364 | ns |
Elevation maxima (m) | 5261 | 5041 | ns |
Indicator value_Stability | 1.69 | 1.88 | ns |
Indicator value_Moisture | 2.15 | 1.74 | * |
Indicator value_Salinity | 0.15 | 0.24 | ns |
Indicator value_Nutrient | 1.92 | 1.70 | ns |
Indicator value_Shade | 2.54 | 2.76 | ns |
