Leaves are dark green and smooth on their upper surface, and white woolly beneath.
The branching points of the inflorescence have a circling set of small bracts, woolly on their inner surfaces. The flowers are borne in clusters and are white with red midribs and very small. Only known from the Ione formation in western Amador County. Most of the occurrences are in the vicinity of Buena Vista and Ione. One occurrence is further west in the area of Carbondale Mesa.