Table 3.
Groupings for Impatiens spp. and biotypes of Impatiens glandulifera based on PCA and closest-relatedness diagrams
| Test sample number | PCA grouping | Strongest-match linkage group | Identity | Grouping accuracy (%) | Comment |
|---|---|---|---|---|---|
| 1, 5, 8, 12 | 3 | 1 | Impatiens noli-tangere | 100 | – |
| 3, 17, 18, 20 | 2 | 2 | Impatiens scabrida | 100 | – |
| 2, 6, 11, 22 | 1 | 3 | Impatiens parviflora | 100 | – |
| 14, 16, 19, 21 | Unclear | 4 | Impatiens glandulifera originally collected from Harmondsworth Moor | 100 | – |
| 4, 9, 10, 24 | Unclear | 5 (part) | Impatiens glandulifera originally collected from Silwood Park | 75 | Correct grouping = samples 4, 10, 13, and 24 |
| 7, 13, 15, 23 | Unclear | 5 (part) | Impatiens balsamina | 75 | Correct grouping = samples 7, 9, 15, and 23 |