Dioscorea villosa | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Order: | Dioscoreales |
Family: | Dioscoreaceae |
Genus: | Dioscorea |
Species: | D. villosa |
Binomial name | |
Dioscorea villosa | |
Synonyms [1] | |
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Dioscorea villosa is a species of twining tuberous vine which is native to eastern North America. It is commonly known as wild yam, colic root, rheumatism root, devil's bones, and fourleaf yam. [2] It is common and widespread in a range stretching from Texas and Florida north to Minnesota, Ontario and Massachusetts. [1] [3] [4] [5] [6]
Dioscorea villosa flower petal color is commonly known to be green to brown, or white. Lengths of the flower petals range from 0.5 to 2 mm (1⁄32 to 3⁄32 in). The flowers tend to grow out of the axil; this is the point at which a branch or leaf attaches to the main stem. There is only one flower present on the inflorescence.[ verification needed ] The fruit of the plant is a capsule that splits and releases the seeds within to then begin the dispersal process [7] The fruit of Dioscorea villosa ranges in size from 10–30 mm (3⁄8–1+3⁄16 in). [8] The flower does not produce aerial bulblets.
Synonyms of Dioscorea villosa include Dioscorea hirticaulis and Dioscorea villosa var. hirticaulis. Common names of Dioscorea villosa include wild yam, Atlantic yam, common wild yam, wild yam-root, yellow yam, colic root, and rheumatism root. [9] [10] [11]
Dioscorea villosa contains diosgenin, which despite claims is not a phytoestrogen and does not interact with estrogen receptors. [12] Other steroidal saponins are also found in the plant.[ citation needed ]
Some of the English common names of this plant reflect its use in Native American and other traditional medicines. [13] Native Americans in the southeast cultivated this plant. [14] In traditional Russian herbal medicine, saponin extracts from the roots of various varieties of wild yam are thought to be an anticoagulant, antisclerotic, antispasmodic, cholagogue, depurative, diaphoretic, diuretic and a vasodilator. [15]
There is little modern clinical research on Dioscorea villosa, and the one study of a wild yam-containing cream for menopausal symptoms failed to find any value from this therapy. [16] According to the American Cancer Society, there is no evidence to support wild yam or diosgenin being either safe or effective in humans. [17]
Progesterone (P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. It belongs to a group of steroid hormones called the progestogens and is the major progestogen in the body. Progesterone has a variety of important functions in the body. It is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid.
Actaea racemosa, the black cohosh, black bugbane, black snakeroot, rattle-top, or fairy candle, is a species of flowering plant of the family Ranunculaceae. It is native to eastern North America from the extreme south of Ontario to central Georgia, and west to Missouri and Arkansas. It grows in a variety of woodland habitats, and is often found in small woodland openings. The roots and rhizomes are used in traditional medicine by Native Americans. Its extracts are manufactured as herbal medicines or dietary supplements. Most dietary supplements containing black cohosh are not well-studied or recommended for safe and effective use in treating menopause symptoms or any disease. In contrast, some herbal medicinal products containing black cohosh extract hold a marketing authorization in several states of the European Union and are well-studied and recommended for safe and effective use for the relief of menopausal symptoms such as hot flushes and profuse sweating attacks. Such differentiation between the product types seems to be important.
Ginseng is the root of plants in the genus Panax, such as Korean ginseng (P. ginseng), South China ginseng (P. notoginseng), and American ginseng (P. quinquefolius), characterized by the presence of ginsenosides and gintonin. Ginseng is common in the cuisines and medicines of China and Korea.
Hot flashes are a form of flushing, often caused by the changing hormone levels that are characteristic of menopause. They are typically experienced as a feeling of intense heat with sweating and rapid heartbeat, and may typically last from two to 30 minutes for each occurrence.
A phytoestrogen is a plant-derived xenoestrogen not generated within the endocrine system, but consumed by eating plants or manufactured foods. Also called a "dietary estrogen", it is a diverse group of naturally occurring nonsteroidal plant compounds that, because of its structural similarity to estradiol (17-β-estradiol), have the ability to cause estrogenic or antiestrogenic effects. Phytoestrogens are not essential nutrients because their absence from the diet does not cause a disease, nor are they known to participate in any normal biological function. Common foods containing phytoestrogens are soy protein, beans, oats, barley, rice, coffee, apples, carrots.
Saponaria officinalis is a common perennial plant from the family Caryophyllaceae. This plant has many common names, including common soapwort, bouncing-bet, crow soap, wild sweet William, and soapweed. There are about 20 species of soapworts altogether.
Clintonia borealis is a species of flowering plant in the lily family Liliaceae. The specific epithet borealis means "of the north," which alludes to the fact that the species tends to thrive in the boreal forests of eastern Canada and northeastern United States.
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.
Yam is the common name for some plant species in the genus Dioscorea that form edible tubers.
Dioscorea polystachya or Chinese yam, also called cinnamon-vine, is a species of flowering plant in the yam family. It is sometimes called Chinese potato or by its Korean name ma. It is also called huaishan in Mandarin and wàaih sāan in Cantonese.
Caulophyllum thalictroides, the blue cohosh, is a species of flowering plant in the Berberidaceae (barberry) family. It is a medium-tall perennial with blue berry-like fruits and bluish-green foliage. The common name cohosh is probably from an Algonquian word meaning "rough". The Greek-derived genus name Caulophyllum signifies "stem-leaf", while the specific name thalictroides references the similarity between the large highly divided, multiple-compound leaves of meadow-rues and those of blue cohosh.
Stellaria media, chickweed, is an annual flowering plant in the family Caryophyllaceae. It is native to Eurasia and naturalized throughout the world, where it is a weed of waste ground, farmland and gardens. It is sometimes grown as a salad crop or for poultry consumption.
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.
Wild yam is a common name for several plants and may refer to:
The Mexican barbasco trade was the trade of the diosgenin-rich yam species Dioscorea mexicana, Dioscorea floribunda and Dioscorea composita which emerged in Mexico in the 1950s as part of the Mexican steroid industry. The trade consisted in Mexican campesinos harvesting the root in the jungle, selling it to middlemen who brought it to processing plants where the root was fermented and the diosgenin extracted and sold to pharmaceutical companies such as Syntex who used it to produce synthetic hormones.
Smilax aristolochiifolia, also known as gray sarsaparilla, Mexican sarsaparilla, sarsaparilla, is a species in the genus Smilax and the family Smilacaceae, native to Mexico and Central America. It is widely used as traditional medicine to treat many symptoms.
Polygala senega is a species of flowering plant in the milkwort family, Polygalaceae. It is native to North America, where it is distributed in southern Canada and the central and eastern United States. Its common names include Seneca snakeroot, senega snakeroot, senegaroot, rattlesnake root, and mountain flax. Its species name honors the Seneca people, a Native American group who used the plant to treat snakebite.
Aletris obovata is a plant species native to the southeastern United States.
Dioscorea sericea is a type of climbing tuberous geophyte in the family Dioscoreaceae. It is native to Colombia and Peru.
Dioscorea hispida, also known as the Indian three-leaved yam, is a species of yam in the genus Dioscorea, native to South and Southeast Asia. Known to be poisonous when fresh, careful processing is required to render it edible.