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单词 man-root
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man-root
man-root n. (a) either of two North American ipomoeas with large tuberous roots, Ipomoea leptophylla, of the dry plains east of the Rocky Mountains, and the wild potato vine, I. pandurata; (b) any of several western North American gourds of the genus Marah (family Cucurbitaceae); (c) the medicinal root of a ginseng (genus Panax), esp. one from Asia.
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1848 W. H. Emory Notes Mil. Reconnaissance 13 in U.S. Congress. Serial Set (30th Congr., 1st Sess.: House of Representatives Exec. Doc. 41) IV The principal growth is the buffalo grass,..and very rarely that wonderful plant, the Ipomea leptophylla, called by the hunter man root.
1876 C. E. Hobbs Bot. Hand-bk. Bot. & Pharmacopoeial Names 68 Man root, Convolvulus panduratus.
1901 W. L. Jepson Flora Western Middle Calif. 320 Roots, sometimes as large as and not unlike the shape of a man's body... E[chinocystis] fabacca... Common Man Root.
1955 N. Taylor F. Schuyler Mathews' Field Bk. Amer. Wild Flowers (rev. ed.) 386 Those [herbs] below are often weedy pests, but the native Ipomœa pandurata, the wild potato-vine or manroot, has an enormous starchy root once a favorite food of the Indians.
1966 in F. G. Cassidy & J. H. Hall Dict. Amer. Regional Eng. (1996) III. 504 A Washington variety of wild cucumber is manroot, with root three feet long and perhaps four inches in diameter.
1976 Star (Sheffield) 26 Nov. 10/7 You might have wondered what all the talk about ‘man root’ [sc. ginseng] was.
1988 Natural Choice ii. 17/2 Because of its curious shape, ginseng, or Jin-chen, was called ‘Man Root’.
1991 Yours Feb. 16/1 (advt.) The ‘man root’ was introduced into Europe in the early seventeenth century.
1994 M. Griffiths Index Garden Plants 725/1 Manroot, Marah.
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