Adenanthos acanthophyllus

Adenanthos acanthophyllus, commonly known as prickly woollybush, is a species of shrub endemic to Western Australia.

The shrub has a robust habit and typically grows to a height of 2 to 3.5 metres (7 to 11 ft) but can reach as high as 6 metres (20 ft). It often has many stems arising from a lignotuber. The petiolate leaves are fan shaped with three segments approximately 30 millimetres (1.18 in) long and 30 mm (1.18 in) wide. It blooms between April and June producing pink-red and green flowers. The perianth is up to 27 mm (1.06 in) in length dark red or pale red-pink and green, with short and long hairs outside. The glabrous style is about 35 mm (1.38 in) with a slightly pubescent ovary.