 |
 |
| Lingshi Glacier valley, Bhutan 4,100m. M. Thorne. | Distinctive long black style. M. Thorne. |
 |  |
| Leaf only about 2cms long. M. Thorne. | Size comparison of M. primulina with M. simplicifolia (below). M. Thorne. |
 |
 |
| Colour variation. M. Thorne. | Lingshi glacier. M. Thorne. |
