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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.
The best-known member of the family is the yam (some species of Dioscorea). The APG system (1998) and APG II system (2003) both place it in the order Dioscoreales , in the clade monocots . However, the circumscription changed in the APG II system, with the 2003 system expanded to include the plants that in the 1998 system were treated in the ...
Dioscorea trilinguis it is a species of flowering plant in the family Dioscoreaceae. [ 2 ] [ 3 ] It is a climbing tuberous geophyte that is native to southeastern Brazil ( Bahia , Rio de Janeiro , São Paulo ), and is found growing in tropical forests , dry forests, and on clay soil.
Male Dioscorea batatas (D. polystachya) in Hooker's A General System of Botany 1873 . While Lindley did not use the term "Dioscoreales", he placed the family Dioscoraceae together with four other families in what he referred to as an Alliance (the equivalent of the modern Order) called Dictyogens.
Dioscorea pentaphylla is a prickly vine that twines counterclockwise around objects and other plants. It may reach 10 meters in length. It may reach 10 meters in length. The alternately arranged leaves are compound, divided into 3 to 5 leaflets each up to 10 centimeters long.
Dioscorea quartiniana is a climbing tuber geophyte in the family Dioscoreaceae. [2] It is native to Benin, Botswana, Burundi, Chad, Congo, Côte d'Ivoire (Ivory Coast
Dioscorea deltoidea, the Nepal yam, is a species of flowering plant in the family Dioscoreaceae. Its native range is the Himalayas through to south-central China and mainland Southeast Asia. Its native range is the Himalayas through to south-central China and mainland Southeast Asia.
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