Cassinia vauvilliersii (syn Cassinia leptophylla subsp vauvilliersii, Ozothamnus leptophyllus) is an erect, evergreen, bushy shrub, which can grow up to 10 ft (3 m) high. The small, leathery, green leaves are typically about 0.3 in (8 mm) long; the leaf edges are rolled in beneath. The whitish flowers occur in dense clusters of 10 to 20, summer.
Cassinia vauvilliersii is found in drier areas, lowland to mountain scrubland or grassland, from Auckland southwards, and Auckland Island, New Zealand. It is also called mountain cottonwood. Hardy in the UK.