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.
