History】 【formerly known as yam yam, "Shen Nong's Herbal Classic" into the top grade, "Maps of Materia Medica" record more detail: "This year's everywhere the spring seedlings, stems purple Yeh, there are three sharp corners, it seems more thick and shiny cows , small white flowers open in summer, categories Zaohua, Qiusheng actually made in the leaves, the shape of a bell, February, August, mining roots. "due to pre-in Tang name, it renamed the potato taboo drugs, and later by Emperor Yingzong of Song taboo potato was renamed yam. 】 【Original plant 1. Dioscorea Alias: Chinese yam, Chinese yam (Guangdong), mountain mushrooms (Guangdong), Chinese yam (Henan). dioscorea opposita thunb. (dioscorea batatas decne.) - Winding Dioscoreaceae dioscoreaceae herbaceous vine. Block stem fleshy, slightly cylindrical, up to more than 1m in diameter 2 ~ 7cm, grayish skin, having fibrous roots. Stem usually with purple, D. Single leaf in the lower part of stem, alternate, more central to the students and less for the three impeller students; leaves ovate to broadly ovate or triangular halberd-shaped, great variation, long 3 ~ 9 (~ 16) cm, width 2 ~ 7 ~ (14 ) cm, apex acuminate, base deeply heart-shaped, wide heart-shaped or nearly _truncate_, margin usually 3 lobed to 3 deep cleft, the lobes ovate elliptic to lanceolate, lateral lobes auriculate, round, nearly square to oblong; seedlings leaves generally do not crack, is broadly ovate or oval, deep heart-shaped base, often within axillary bulbils. Flowers unisexual, dioecious, into slender spikes; male inflorescence length of 2 ~ 8 cm, nearly erect, 2 to 8 axillary, occasionally cylindrical cone arrangement; inflorescence axis was obviously "the" shape twists and turns; perianth purple bracts and brown spots; male flowers of the outer tepals ovate in width, inner oval, small; stamens 6. 1 to 3 female inflorescence axillary. Capsule triangular-shaped flat triangular-shaped round or circular, long 1.2 ~ 2cm, width of 1.5 ~ 3cm, white powder out there. Seeds of the central axis of Health every room, surrounded by a membranous wing. Flowering from 6 to 9 months, the fruit of 7 to 11 months. Hillslopes, valley forest, or stream, or weeds in the roadside bushes. In addition to the distribution of Fujian, Guangdong, southern Yunnan, the country has almost wild or cultivated. 2. Participation potato: dioscorea alata l. - yam yam dioscoreaceae with similar, except that the cultivation of the tuber variability, and have a cylindrical, conical, spherical, conical or spherical tubers usually brown or dark purple skin. Stems are four wings. Leaves ovate to ovate, long 6 ~ 15 (~ 20) cm, width 4 ~ 13cm, the top short-acuminate, or convex pointed tip, base cordate, dark heart to the Arrow, and sometimes for the halberd-shaped, ears dull, glabrous. January 11 next year flowering, fruit next year January 12. Distribution of Zhejiang, Fujian, Taiwan, Hubei, Hunan, Jiangxi, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, Tibet and other provinces, often cultivated. 】 【Collect and dig tubers in autumn or winter, remove the soil, fibrous roots, cut reed head (that tip about 6 ~ 10cm long, reserved for the second year for the species), washed, flooding 2 to 3 hours, remove with bamboo knife scrape off the skin, repeated smoked with sulfur, the sun to dry, is the hair yam; also have the option of mast straight hair, yams, home water, the dip to a guiltless heart, bored through, and then sulfur fumigation, the use of wood twisted cylindrical plate, cut into segments 20 ~ 25cm, dried, lighting, and Serve light yam. Yam production and marketing of medicinal herbs】 【rhizoma dioscoreae oppositae the main producing areas Wen County of Henan Xinxiang, Zhi Wu, love, mostly concentrated in Henan Biyang County (Huaiqing of Old House), named yam, production, quality, supply and marketing the country and a large number of exports. In addition, Hebei, Shaanxi, Jiangsu, Zhejiang, Jiangxi, Guizhou, Sichuan and other places are also produced, but output low. 3. Tengchong yam rhizoma dioscoreae alatae Main Tengchong, Yunnan, Hunan Guiyang, Bin County, Hubei Icheon, Bobai, your county. In addition to their own use outside the province, still induce a supply of his province. 【Note】 same plant Japanese yam dioscorea japonica thunb. Is the difference between the previous kinds of triangular-shaped leaves lanceolate, long oval-shaped long narrow triangular to ovate, base almost _truncate_, round, heart-shaped to the Arrow. Wild in the north and south of the Yangtze River, known as "Wild medicine." Its roots are as a "yam" medicine, the effectiveness of similar, but the quality is less dioscoreaceae yam, monocots, 10 genera and 650 species, widely distributed in temperate and tropical regions around the world, China has dioscorea 1 Dioscorea genus of about 80 species. Winding perennial herb; a massive underground stem or root-like; Leaves alternate, thin to the students, the single leaf or palmately compound leaves, the whole crack or split; flowers dioecious; rarely the same strains to form spikes, racemose or panicles; tepals 6,2 round, base connate; stamens 6, sometimes 3 development, three degradation; female and male flowers are similar but degraded or missing stamens; ovary inferior, 8 rooms, styles 3, separate; capsules or berries; seeds winged.
Translated by Google
No. 2
History】 【formerly known as yam yam, "Shen Nong's Herbal Classic" into the top grade, "Maps of Materia Medica" record more detail: "This year's everywhere the spring seedlings, stems purple Yeh, there are three sharp corners, it seems more thick and shiny cows , small white flowers open in summer, categories Zaohua, Qiusheng actually made in the leaves, the shape of a bell, February, August, mining roots. "due to pre-in Tang name, it renamed the potato taboo drugs, and later by Emperor Yingzong of Song taboo potato was renamed yam. 】 【Original plant 1. Dioscorea Alias: Chinese yam, Chinese yam (Guangdong), mountain mushrooms (Guangdong), Chinese yam (Henan). Dioscorea opposita Thunb. (Dioscorea batatas Decne.) - Winding Dioscoreaceae Dioscoreaceae herbaceous vine. Block stem fleshy, slightly cylindrical, up to more than 1m in diameter 2 ~ 7cm, grayish skin, having fibrous roots. Stem usually with purple, D. Single leaf in the lower part of stem, alternate, more central to the students and less for the three impeller students; leaves ovate to broadly ovate or triangular halberd-shaped, great variation, long 3 ~ 9 (~ 16) cm, width 2 ~ 7 ~ (14 ) cm, apex acuminate, base deeply heart-shaped, wide heart-shaped or nearly _truncate_, margin usually 3 lobed to 3 deep cleft, the lobes ovate elliptic to lanceolate, lateral lobes auriculate, round, nearly square to oblong; seedlings leaves generally do not crack, is broadly ovate or oval, deep heart-shaped base, often within axillary bulbils. Flowers unisexual, dioecious, into slender spikes; male inflorescence length of 2 ~ 8 cm, nearly erect, 2 to 8 axillary, occasionally cylindrical cone arrangement; inflorescence axis was obviously "the" shape twists and turns; perianth purple bracts and brown spots; male flowers of the outer tepals ovate in width, inner oval, small; stamens 6. 1 to 3 female inflorescence axillary. Capsule triangular-shaped flat triangular-shaped round or circular, long 1.2 ~ 2cm, width of 1.5 ~ 3cm, white powder out there. Seeds of the central axis of Health every room, surrounded by a membranous wing. Flowering from 6 to 9 months, the fruit of 7 to 11 months. Hillslopes, valley forest, or stream, or weeds in the roadside bushes. In addition to the distribution of Fujian, Guangdong, southern Yunnan, the country has almost wild or cultivated. 2. Participation potato: Dioscorea alata L. - yam yam Dioscoreaceae with similar, except that the cultivation of the tuber variability, and have a cylindrical, conical, spherical, conical or spherical tubers usually brown or dark purple skin. Stems are four wings. Leaves ovate to ovate, long 6 ~ 15 (~ 20) cm, width 4 ~ 13cm, the top short-acuminate, or convex pointed tip, base cordate, dark heart to the Arrow, and sometimes for the halberd-shaped, ears dull, glabrous. January 11 next year flowering, fruit next year January 12. Distribution of Zhejiang, Fujian, Taiwan, Hubei, Hunan, Jiangxi, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, Tibet and other provinces, often cultivated. 】 【Collect and dig tubers in autumn or winter, remove the soil, fibrous roots, cut reed head (that tip about 6 ~ 10cm long, reserved for the second year for the species), washed, flooding 2 to 3 hours, remove with bamboo knife scrape off the skin, repeated smoked with sulfur, the sun to dry, is the hair yam; also have the option of mast straight hair, yams, home water, the dip to a guiltless heart, bored through, and then sulfur fumigation, the use of wood twisted cylindrical plate, cut into segments 20 ~ 25cm, dried, lighting, and Serve light yam. 【】 Yam production and marketing of medicinal herbs Rhizoma Dioscoreae oppositae Wenxian main producing areas of Henan, Xinxiang, Zhi Wu, love, mostly concentrated in Henan Biyang County (Huaiqing of Old House), named yam, production, quality, supply and marketing the country and a large number of exports. In addition, Hebei, Shaanxi, Jiangsu, Zhejiang, Jiangxi, Guizhou, Sichuan and other places are also produced, but output low. 3. Tengchong yam Rhizoma Dioscoreae alatae Main Tengchong, Yunnan, Hunan Guiyang, Bin County, Hubei Icheon, Bobai, your county. In addition to their own use outside the province, still induce a supply of his province. 【Note】 same plant Japanese yam Dioscorea japonica Thunb. Is the difference between the previous kinds of triangular-shaped leaves lanceolate, long oval-shaped long narrow triangular to ovate, base almost _truncate_, round, heart-shaped to the Arrow. Wild in the north and south of the Yangtze River, known as "Wild medicine." Its roots are as a "yam" medicine, the effectiveness of similar, but the quality is less
yam