Mirabilis expansa

Mirabilis expansa is a species of flowering plant in the family Nyctaginaceae, commonly known as the mauka or Andean tuberous four o'clock. It is native to the Andes region of South America, where it has been cultivated for its edible tubers for centuries.

Description

Mirabilis expansa is a perennial plant that grows up to 2 meters in height. It has a tuberous root system, with tubers that can reach up to 30 cm in length. The leaves are opposite, ovate to lanceolate, and up to 10 cm long. The flowers are solitary, tubular, and pink or white in color.

Distribution and habitat

Mirabilis expansa is native to the high Andes of Ecuador, Peru, Bolivia, and Colombia. It grows in cool, moist environments at altitudes between 2,000 and 3,500 meters.

Cultivation and uses

Mirabilis expansa has been cultivated in the Andes for its edible tubers since pre-Columbian times. The tubers are rich in carbohydrates and can be eaten raw or cooked. They have a sweet, nutty flavor and a crunchy texture. The plant is also used in traditional medicine in the Andes.

Conservation status

Mirabilis expansa is not currently considered to be at risk of extinction. However, its habitat is threatened by deforestation and climate change, and its cultivation is declining due to the introduction of more productive crops.

See also

• Nyctaginaceae
• Andes
• Tuber