Beccariophoenix madagascariensis, commonly known as the No Windows Beccariophoenix or Coastal Beccariophoenix, is a species of flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 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. It is a large Coconut

Coconut

The coconut palm, Cocos nucifera, is a member of the family Arecaceae . It is the only accepted species in the genus Cocos. The term coconut can refer to the entire coconut palm, the seed, or the fruit, which is not a botanical nut. The spelling cocoanut is an old-fashioned form of the word...

relative that is endangered in its habitat in Madagascar.

Beccariophoenix sp. 'Windows'

The Beccariophoenix variety with the "windows", commonly known as the Giant Windowpane Palm or Windowpane Coconut, used to be considered a variety of this species, but John Dransfield is renaming that variety. It is quite different when a seedling, in having wide, mostly unsplit leafs, wheres the 'madagascariensis' variety has fully split, very stiff upright leaves when young.

Source

• Johnson, D. Beccariophoenix madagascariensis. 2006 IUCN Red List of Threatened Species. Downloaded on 21 January 2010.