Monstera adansonii, the Adanson's monstera, Swiss cheese plant,, five holes plant or Monkey mask plant is a species of flowering plant from family Araceae, which is widespread across much of South America and Central America. Monstera adansonii is classified as a hemiepiphyte vine and can be found in tropical forests with hot and high humidity conditions.
The common name "Swiss cheese plant" is also used for the also very often cultivated species Monstera deliciosa.
Monstera deliciosa, the Swiss cheese plant or split-leaf philodendron is a species of flowering plant. The common name "Swiss cheese plant" is also used for the related species from the same genus, Monstera adansonii. The common name "split-leaf philodendron" is also used for the species Philodendron bipinnatifidum.
Monstera deliciosa is native to tropical forests of southern Mexico, south to Panama. It has been introduced to many tropical areas, and has become a mildly invasive species in Hawaii, Seychelles, Ascension Island and the Society Islands. It is very widely grown in temperate zones as a houseplant. Although the plant contains insoluble calcium oxalate crystals, which cause a needlelike sensation when touched, the ripe fruit is edible.