Carnic masterwort

Astrantia carniolica reaches on average less than 45 centimetres (18 in) of height. The stem is erect and glabrous, with little branches and few leaves. The basal leaves have a long petiole 10–20 centimetres (3.9–7.9 in), 3 to 7 lobes and toothed segments. Size: 8–15 centimetres (3.1–5.9 in). The cauline leaves are generally two, sessile, amplexicaul and lanceolate-shaped with a trilobed apex. The inflorescence is umbrella-shaped, with 2–3 centimetres (0.79–1.18 in) of diameter. The floral bracts are numerous (10 - 20), 10–18 millimetres (0.39–0.71 in) long, reddish (sometimes white) with acuminate apex. The small flowers are white. The central ones are hermaphrodite, while the external ones are male. The petals are white, while the stamens are five and much longer. Size of the flowers: about 1–2 mm. The flowering period extends from June through September.

It has been found in Austria, Bosnia and Herzegovina, Croatia, Italy and Slovenia. In Slovenia, it has been found in the Julian Alps and near Bohinj lake.

Astrantia carniolica is an entomophilous plant, mainly pollinated by beetles, but also by other insects. This perennial plant reproduces itself also by means of buds present at the ground level.

Astrantia carniolica also has one other cultivar recognised by the RHS. Astrantia carniolica 'rubra', which grows well in the garden, given some shade and moisture. Its flowerhead provides summer colour in shades of red. It is rated for hardiness, USDA zones 5 to 9.