Vancouveria chrysantha is a species of flowering plant in the barberry family known by the common names golden inside-out flower and Siskiyou inside-out flower. It is native to southwestern Oregon and northwestern California, where it occurs in coastal and inland mountain ranges, including the Klamath Mountains. It grows in dry mountain habitat in chaparral and forests. It is a rhizomatous perennial herb with a short, mostly underground stem. It produces a patch of basal leaves which are each made up of round, shallowly lobed leaflets borne on long, reddish petioles. The inflorescence appears in the spring to early summer. It is a raceme of flowers on a long, erect peduncle with hairy, glandular branches. Each drooping flower has six inner sepals which look like petals. They are bright yel