Trollius riederianus Fisch. & C.A.Mey.

Stems 1.1-4.5(-6) dm, base with persistent thatch of petioles from previous years. Leaves: basal leaves with petioles 5-20(-40) cm; cauline leaves 2-5, with broad, clasping, membranous sheaths. Flowers 3-6 cm diam.; sepals 5-7(-12), spreading, somewhat incurved, orange-yellow when fresh, obovate to ovate-orbiculate, 15-27 mm; petals 5-7, orange, ± length of stamens when pollen shed, 8-12 mm. Follicles 5-10, 7-10 mm including beak; beak straight.

Can be grown by divisions or seedlings. Seeds needs stratification.