It flowers in July.
The scape is slender, 1-5 cm tall, sparsely glandular. 1-4 flowers are borne at the apex of the scape, sessile without pedicels.
It grows in moist rock crevices and moss at elevations of 4000-5000 meters in southern Tibet (Yadong, Cona, Dawang), and is found in Sikkim and Bhutan.
Primula sapphirina