This very hardy Chinese shrubby species makes a suckering clump to 90cm high, with highly attractive very deeply dissected narrowly lobed grey-green foliage on red tinted petioles. Red flowers with a large boss of yellow stamens are borne in early May and are up to 8cm across in this form. For a sunny site in any reasonably drained soil. Previously known as P. potaninii and now sometimes as P. delavayi var. angustiloba f. angustiloba.