Dioscoreaceae

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Dioscoreaceae

Dioscoreaceae (pronunciation: /ˌdaɪ.əskɔːriˈeɪsiː/), also known as the Yam Family, is a family of monocotyledonous flowering plants. The family consists of approximately 715 known species across nine genera, the most well-known of which is Dioscorea.

Etymology

The family name Dioscoreaceae is derived from the genus Dioscorea, which was named in honor of the ancient Greek physician and botanist Pedanius Dioscorides.

Description

Members of the Dioscoreaceae family are typically herbaceous vines, although some species can be shrubs or trees. They are characterized by their alternate, sometimes opposite, often heart-shaped leaves and tuberous roots. The flowers are usually small and inconspicuous, with separate male and female flowers on the same or different plants.

Distribution and Habitat

Dioscoreaceae is a cosmopolitan family, found in a wide range of habitats from tropical rainforests to arid deserts. They are most diverse in tropical regions, particularly in Africa and Asia.

Economic Importance

The most economically significant genus in the family is Dioscorea, which includes several species cultivated for their starchy tubers, known as yams. Yams are a major food crop in many parts of the world, particularly in West Africa.

Related Terms

See Also

External links

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