Primula species- Above Mcleodganj, HP

Primula sp. for ID ABFEB2017/06 : 6 posts by 3 authors. 8 images.
Found these Primula plants at about 2100m yesterday. The flowers stalks and the undersurfces of the leaves had yellow farina. Please advise.
Above Mcleodganj, HP
12 February 2017
For the present I can only name this as Primula sp.