Helicia ferruginea, commonly named hairy weiner or rusty oak, is a species of rainforest trees, of eastern Australia, and constitutes part of the flowering plant family Proteaceae. Botanists know of them growing naturally only (endemic) in the rainforests of south–eastern Queensland and north-eastern New South Wales. As of December 2013 this species has the official, current, Qld government conservation status of "vulnerable" species. They have been recorded growing up to about 10 m (33 ft) tall.