| Dioscorea bernoulliana | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Dioscoreales |
| Family: | Dioscoreaceae |
| Genus: | Dioscorea |
| Species: | D. bernoulliana |
| Binomial name | |
| Dioscorea bernoulliana Prain & Burkill | |
Dioscorea bernoulliana is a type of yam in the family Dioscoreaceae. [1] [2] [3] It is native to Belize, Guatemala, Honduras, and Mexico. It usually grows in woodlands, forests, and mangrove swamps. [4] [5] [6] [7]
The Dioscoreales are an order of monocotyledonous flowering plants, organized under modern classification systems, such as the Angiosperm Phylogeny Group or the Angiosperm Phylogeny Web. Among monocot plants, Dioscoreales are grouped with the lilioid monocots, wherein they are a sister group to the Pandanales. In total, the order Dioscoreales comprises three families, 22 genera and about 850 species.
Dioscoreaceae is a family of monocotyledonous flowering plants, with about 715 known species in nine genera. The best-known member of the family is the yam.
Dioscorea is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending into temperate climates. It was named by the monk Charles Plumier after the ancient Greek physician and botanist Dioscorides.
Dioscorea bulbifera is a species of true yam in the yam family, Dioscoreaceae. It is native to Africa, Asia and northern Australia. It is widely cultivated and has become naturalized in many regions.
Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus Dioscorea.
Dioscorea japonica, known as East Asian mountain yam, yamaimo, or Japanese mountain yam, is a type of yam (Dioscorea) native to Japan, Korea, China, Taiwan, and Assam.
Dioscorea hamiltonii is a species of Dioscorea native to southern China, Taiwan, northern Indochina and the Himalayas.
Dioscorea orizabensis is a species of yam in the family Dioscoreaceae. It is native to the Jalisco and Veracruz states of Mexico. The plant is a climbing tuberous geophyte which grows in mountain forests.
Dioscorea ovinala is a species of yam in the family Dioscoreaceae. It is endemic to Madagascar and grows mostly in dry deciduous forests.
Dioscorea chimborazensis is a type of yam in the family Dioscoreaceae. It is endemic to Ecuador.
Dioscorea pseudomacrocapsa is a species of yam in the family Dioscoreaceae. It occurs in southeastern Brazil, and grows in tropical rainforests.
Dioscorea quartiniana is a climbing tuber geophyte in the family Dioscoreaceae. It is native to Benin, Botswana, Burundi, Chad, Congo, Côte d'Ivoire, Eritrea, Ethiopia, Gambia, Ghana, Kenya, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Rwanda, Sierra Leone, South Africa, Sudan, Tanzania, Uganda, Zambia, and Zimbabwe. This species occurs in forests, grasslands, and rocky areas.
Dioscorea rosei is a vine in the family Dioscoreaceae. It is endemic to Ecuador and it is threatened by habitat destruction.
Dioscorea sericea is a type of climbing tuberous geophyte in the family Dioscoreaceae. It is native to Colombia and Peru.
Dioscorea stipulosa is a type of climbing tuberous geophyte of the family Dioscoreaceae. It is endemic to the Eastern Cape province of South Africa.
Dioscorea trilinguis is a climbing tuberous geophyte in the family Dioscoreaceae. It is native to southeastern Brazil, and is found growing in tropical forests, dry forests, and on clay soil.
Dioscorea wallichii is a type of climbing tuberous geophyte of the family Dioscoreaceae. It is native to Bangladesh, China, India, Malaysia, Myanmar, and Thailand. It has one edible cylindrical tuber that is about 1 meter long and 3-6 centimeters wide. The tuber is white when young, becoming yellow and stringy once aged.
Dioscorea acuminata is a herbaceous vine in the family Dioscoreaceae, which is listed as an endangered species by the IUCN Red List. It is indigenous to the central plateau of Madagascar where it occurs on rocky substrate in a grassland-woodland mosaic habitat. There is confusion as to whether the tuber is harvested for consumption by humans as field researchers likely misidentified Dioscorea maciba as this species. However, the IUCN Red List also has an entry for D. maciba which does not cite that species as being consumed by humans.
Dioscorea alatipes is a herbaceous vine in the genus Dioscorea. It is indigenous to the Morondava Prefecture in Madagascar and is listed as an vulnerable on the IUCN Red List in 2017, having previously been listed as endangered in 2001. It has been confused with another Dioscorea species, D. bako which is a food source of the indigenous people of the region. D. alatipes is found growing in forested areas on sandy soils or on limestone substrate. This species is managed for human consumption as part of the SuLaMa Project. According to the IUCN, the species is threatened by overharvesting of the tubers as well as by the expansion of farmland in the area.
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