A slender shrub. It grows to 1.5-2 m high and spreads 0.5-1.5 m wide. The leaves and stem are hairy. The leaves are opposite and narrow. The have hairs on both sides. The leaf blade is 3-7 cm long by 0.4-0.9 cm wide. It is dull green above and has 3 distinct veins along it. The flowers are purple with yellow stamens in the centre. There are 5 petals. The flowers are 1.5-4 cm across. The flowers occur singly at or near the ends of branches. The fruit have a woolly pulp of fibres. They are nearly round and 0.8-1.2 cm across. They are cream-brown when ripe. There are many small seeds inside.