The stem, base and leaves are clear green, fleshy and lack the coating that can be seen in some other primroses.

The flowers are 20–25 millimetres (0.79–0.98 in) across and a mild red, rose or purple pink in colour.

[2][3] Its range is limited to an area of approximately 5,000 square kilometres (1,900 sq mi)[1] in the Slovenian regions of Upper, Lower and Inner Carniola,[2] as well as the Slovene Littoral,[4] including on the Trnovo Forest Plateau and in the Iška River gorge.

[2] Within its range the plant grows on north-facing wet limestone cliffs, ravines and meadows at an altitude of 900–1,000 metres (3,000–3,300 ft).

[3] It has been a protected species in Slovenia since 1922 and it is consequentially forbidden to pick the flowers.