Trollius laxus Salisb.

Stems to 0.5-5.2 dm, base with few petioles (occasionally thatchlike) persisting from previous year. Leaves: basal leaves with petioles to 5-30 cm; cauline leaves 2-5, base scarcely membranous or clasping. Flowers 2.5-5 cm diam.; sepals 5-7(-9), spreading, bright to pale yellow when fresh, ovate to obovate or nearly orbiculate, 10-20 mm; petals 10-15(-25), yellow, 1/2-2/3 length of stamens when pollen shed, 3-6 mm. Follicles usually 5-12, 8-12 mm including beak; beak usually straight or slightly incurved (rarely slightly recurved). 2 n =32.

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