Brachyglottis bidwillii is a species of flowering plant in the aster family, Asteraceae. It is endemic to New Zealand. It is a shrub growing up to a meter tall. The branches are thick and the smaller branches and petioles are covered in whitish or pale brownish hairs. The leathery oval leaves are up to 2.5 centimeters long. They are shiny and hairless on the upper surfaces and woolly-haired on the undersides. The inflorescence is a panicle of bell-shaped flower heads containing disc florets. The fruit is an achene up to 8 millimeters long including its pappus of barbed white hairs.