Borassus heineanus is a species of a very large solitary palmate palm, fan palm

Fan palm

Fan palm as a descriptive term can refer to any of several different kinds of palms in various genera with leaves that are palmately compound...

 in the Arecaceae

Arecaceae

Arecaceae or Palmae , are a family of flowering plants, the only family in the monocot order Arecales. There are roughly 202 currently known genera with around 2600 species, most of which are restricted to tropical, subtropical, and warm temperate climates...

 family. Its common name is the New Guinea Palmyra Palm. It is found only in New Guinea

New Guinea

New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...

. It is threatened by habitat loss. The palm grow up to 20m tall, with bluish/green deeply cut leaves up tp 3.2m across. The petiole

Petiole (botany)

In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

s have very sharp edges which can give a nasty cut to the unwary.