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Furthermore, Dioscorea is a twiner, this means that the plant undergoes circumnutation which is a helical movement that allows stems to wrap around objects. In order for this mechanism to take place, endodermal cells, plasmodesmata, the plasma membrane, epidermal cells, calcium, potassium, chloride, and proton pumps are required. [ 16 ]
They emerge from roots with tubers of various shape and size, generally up to 20 centimeters long by 8 wide. [4] The leaves are up to 23 [6] to 30 [4] centimeters long with blades divided into pointed lobes and borne on long, winged petioles. Green flowers with six tiny tepals are borne in the axils. The fruit is a winged, lightly hairy capsule ...
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.
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Dioscorea communis or Tamus communis is a species of flowering plant in the yam family Dioscoreaceae and is commonly known as black bryony, lady's-seal or black bindweed. [ 2 ] Description
Dioscorea strydomiana is shrub-like, grows up to 1 metre (3 ft 3 in) tall with an above ground tuber that is large and rough-textured, the thick bark resembling the tortoise-shell-like bark of Dioscorea elephantipes [3] It has herbaceous stems from the upper part of the tuber each year, and then they die back over the course of the dry season.
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.
Dioscorea zingiberensis, is a species of yam, a tuberous root vegetable. It has been cultivated in China for the production of diosgenin, [1] an important pharmaceutical intermediate for the synthesis of steroid hormones. [3] [4] The rhizomes also produces steroidal saponins (TSS) as part of a treatment for cardiovascular disease. [5]