英语词汇“ragweed parthenium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

2. In form Parthenium: a genus of herbs and shrubs of the family Asteraceae ( Compositae), native to North America and the West Indies and having alternate, usually aromatic leaves and white or yellowish flowers with inconspicuous ray florets; (also parthenium) a plant of this genus, esp. (more fully parthenium ragweed, parthenium weed, ragweed parthenium) Parthenium hysterophorus, an invasive weed which may cause a severe contact dermatitis in allergic individuals. Also: †a medicinal preparation of this plant or of Parthenium integrifolium, used as an antipyretic, esp. in the treatment of malaria (obsolete).Valid publication of the genus name: Linnaeus Species Plantarum (1753) II. 988.

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1754 New & Compl. Dict. Arts & Sci. III. 2350/1 Parthenium, American Feverfew, in botany, a genus of the monoecia-pentandria class of plants.

1760 J. Lee Introd. Bot. App. 332 Wormwood, Wild, Parthenium.

1797 Encycl. Brit. XIII. 775/2 Parthenium is propagated in China by seed, and by suckers, grafts, and slips.

1866 J. Lindley & T. Moore Treasury Bot. II. 849/1 Parthenium, a genus of Compositæ of the tribe Heliantheæ, consisting of herbs or undershrubs, with alternate leaves, and small nearly globular heads of white flowers.

1898 P. Manson Trop. Dis. vi. 121 I have never seen benefit in any way approaching that of quinine from..phenocol, parthenium,..or any of the many drugs recommended in malaria.

1909 Amer. Naturalist 43 356 Experimentally induced root-regeneration in Parthenium.

1976 Courier-Mail (Brisbane) 7 Feb. 8/3 Australian and South American biologists and entomologists now hope one of several known ‘enemies’ of parthenium—a common weed in South and North America—can produce a repeat performance.

1985 Weed Sci. 33 574/2 Ragweed parthenium, a winter annual in south Texas, emerges from soil generally in October.

1992 W. T. Parsons & E. G. Cuthbertson Noxious Weeds Austral. 295/1 Individual property owners should..promptly and effectively eliminate any parthenium seedlings appearing.

2001 Weekly Times (Australia) (Nexis) 31 Jan. 61 In part two of our series on prohibited weeds in Victoria, we look at four more; nodding thistle, parthenium weed, perennial ragweed and mesquite.

单词	ragweed parthenium
释义	> as lemmas ragweed parthenium 2. In form Parthenium: a genus of herbs and shrubs of the family Asteraceae ( Compositae), native to North America and the West Indies and having alternate, usually aromatic leaves and white or yellowish flowers with inconspicuous ray florets; (also parthenium) a plant of this genus, esp. (more fully parthenium ragweed, parthenium weed, ragweed parthenium) Parthenium hysterophorus, an invasive weed which may cause a severe contact dermatitis in allergic individuals. Also: †a medicinal preparation of this plant or of Parthenium integrifolium, used as an antipyretic, esp. in the treatment of malaria (obsolete).Valid publication of the genus name: Linnaeus Species Plantarum (1753) II. 988. ΚΠ 1754 New & Compl. Dict. Arts & Sci. III. 2350/1 Parthenium, American Feverfew, in botany, a genus of the monoecia-pentandria class of plants. 1760 J. Lee Introd. Bot. App. 332 Wormwood, Wild, Parthenium. 1797 Encycl. Brit. XIII. 775/2 Parthenium is propagated in China by seed, and by suckers, grafts, and slips. 1866 J. Lindley & T. Moore Treasury Bot. II. 849/1 Parthenium, a genus of Compositæ of the tribe Heliantheæ, consisting of herbs or undershrubs, with alternate leaves, and small nearly globular heads of white flowers. 1898 P. Manson Trop. Dis. vi. 121 I have never seen benefit in any way approaching that of quinine from..phenocol, parthenium,..or any of the many drugs recommended in malaria. 1909 Amer. Naturalist 43 356 Experimentally induced root-regeneration in Parthenium. 1976 Courier-Mail (Brisbane) 7 Feb. 8/3 Australian and South American biologists and entomologists now hope one of several known ‘enemies’ of parthenium—a common weed in South and North America—can produce a repeat performance. 1985 Weed Sci. 33 574/2 Ragweed parthenium, a winter annual in south Texas, emerges from soil generally in October. 1992 W. T. Parsons & E. G. Cuthbertson Noxious Weeds Austral. 295/1 Individual property owners should..promptly and effectively eliminate any parthenium seedlings appearing. 2001 Weekly Times (Australia) (Nexis) 31 Jan. 61 In part two of our series on prohibited weeds in Victoria, we look at four more; nodding thistle, parthenium weed, perennial ragweed and mesquite. extracted from partheniumn. < as lemmas
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> as lemmas