Distinctive within section Auganthus by being yellow flowered. P. jiangyouensis has exceptionally elongated rhizomes to 40cm long, yellow corolla with a reddish-brown blotch at the base of the lobes, and short glandular hairs on aerial parts. Leaves are clustered at the apex of the rhizome, glandular hairy above and densely so along veins below, oblong-ovate to ovate-orbicular, apex obtuse-rounded, base truncate and oblique, margin pinnately 4-6 lobed, to 1/2 or more of the blade, each lobe oblong with obtuse notched teeth. Scape to 35cm with 1-5 whorls of 2-11 flowers. Grows on shady ledges of limestone cliffs in the type area and is considered critically endangered.