Cinnamomum grandiflorum Kosterm.

A tree. It grows 30-55 m tall. The trunk is straight and 90 cm across. It can have buttresses 1 m tall. The bark is dark grey and rough. The bark has a strong cinnamon like smell. The leaves are opposite and simple. They are 11-22 cm long by 4.5-8 cm wide. The flowers are in the axils of leaves. They are white or pale yellow. The fruit are 15-20 mm long by 10-12 mm wide. They are dark green and fleshy and have one seed.

It is a tropical plant. It grows along the north coast of Papua New Guinea.

The bark is chewed as a substitute for Pepper leaves when chewing betel but.

It can be grown from fresh seed.