Table 2. Population means, sample standard deviations (SSD) and coefficients of variation (CV, %) for 38 morphometric characters from five populations of P. hyperborea, followed by taxon mean values derived from the first four populations.
| Population | Length lip | Width lip | Reflexion lip | Presence pigment lip | Extent pigment lip | Length spur | Width mouth spur | Width halfway spur | Curvature spur | Length ovary | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Selfoss | 5.04 | 1.88 | 1.6 | 2 | 100 | 3.41 | 0.82 | 0.99 | 5 | 9.9 |
| SSD | 0.62 | 0.32 | 0.49 | 0.12 | 0.12 | 1.2 | |||||
| CV(%) | 12 | 17 | 14 | 15 | 12 | 12 | |||||
| Mean | Stong | 5.11 | 1.63 | 1.9 | 2 | 100 | 3.69 | 0.75 | 0.94 | 5 | 8.2 |
| SSD | 0.43 | 0.19 | 0.30 | 0.11 | 0.15 | 0.9 | |||||
| CV(%) | 8 | 12 | 8 | 15 | 16 | 11 | |||||
| Mean | Skogar | 4.81 | 1.91 | 1.5 | 2 | 100 | 3.88 | 0.74 | 0.88 | 5 | 9.0 |
| SSD | 0.31 | 0.24 | 0.25 | 0.11 | 0.09 | 1.2 | |||||
| CV(%) | 6 | 13 | 6 | 15 | 10 | 13 | |||||
| Mean | Solheimaj. | 5.14 | 1.87 | 1.7 | 2 | 100 | 3.66 | 0.94 | 0.86 | 5 | 9.3 |
| SSD | 0.51 | 0.16 | 0.26 | 0.21 | 0.09 | 0.8 | |||||
| CV(%) | 10 | 9 | 7 | 22 | 10 | 9 | |||||
| Mean | Thingvellir | NM | NM | NM | NM | NM | NM | NM | NM | NM | NM |
| SSD | |||||||||||
| CV(%) | |||||||||||
| Mean | hyperborea | 5.01 | 1.8 | 1.67 | 2 | 100 | 3.66 | 0.8 | 0.9 | 5 | 9.08 |
| SSD | 0.48 | 0.26 | 0.40 | 0.14 | 0.12 | 1.20 | |||||
| CV(%) | 9.6 | 14.4 | 10.9 | 17.5 | 13.3 | 13.2 |
Notes.
Data reflect sets of ten plants except Solheimajokull (six plants). Asterisks indicate absence of data. Invariant characters are italicised.