Corypha utan Lam.

The largest and most stately member of the palm family. It is tall and single stemmed. It grows to 20 m high. The trunk can be 1 m across. The bark is smooth, grey, and has rings around it. The leaves are very large and fan shaped. The leaves are rounded, and the blade can up to 3 m long by 3 m across. The leaf is deeply divided from about half way up, into many pointed lobes. The leaf stalk is 2-4 m long. The leaf stalks and leaf edges are armed with very hard, large, black spines. The flowers are small and cream-green. They are about 5-8 mm across. They occur in groups of 6-20, in flower clusters 2-5 m long near the top of the palm. The fruit are smooth and almost round. They are 2-3 cm across. They are green, and turn brown when ripe. The fruit contain a single, hard-shelled, seed. The palm flowers once, then dies.

It is a tropical plant. It grows along the edges of tidal rivers. They are often on heavy soils on flood plains which flood. It grows best with access to ground water. They are very common and widely distributed at low and medium altitudes from northern Luzon to Sulu in the Philippines. It is frost tender when young. It needs a warm sunny position and a well drained soil. In Indonesia it grows up to 200 m above sea level. In Papua New Guinea it grows in the Western Province. It suits hardiness zones 11-12.

The starch extracted from the stem is edible. The palm cabbage or bud can be eaten raw or cooked. The sap can be collected from the flower stalk and made into sugar or toddy. The kernels of the young fruit can be eaten raw.

Plants are grown from seed. Seed can take 18 months to germinate. Fresh seed germinate more quickly. They can germinate in less than one month. Seedlings are difficult to transplant.