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

blood weed n. any of several plants which are red in some way or have red sap; spec. †(a) the bloodroot or red puccoon, Sanguinaria canadensis (obsolete); †(b) pale persicaria, Polygonum lapathifolium, which has reddish stems (obsolete. rare); (c) North American the great ragweed, Ambrosia trifida, which exudes a red sap when damaged.

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1770 J. Hill Veg. Syst. XVI. 31 (heading) Genus II. Bloodweed. Sanguinaria.

1847 Amer. Jrnl. Pharmacy 19 21 He at length had recourse to the blood-weed, which he administered in the form of a decoction, made from the stems, leaves, and flowers.

1898 H. C. Hart Flora County Donegal 367 Bloodweed. Polygonum lapathifolium. The dark spot on the leaf is supposed to be blood.

1898 Jrnl. Amer. Folklore 11 229 Ambrosia trifida, L., blood-weed, Tex.

1935 San Antonio (Texas) Express 7 July d8/4 The plants that..cause hay fever in the Southwest are the golden ragweed, the common ragweed and the giant ragweed or bloodweed.

2000 Daily Oklahoman (Nexis) 1 Sept. iv. 7 Another name for the giant ragweed..is ‘blood weed’. If you bruise the leaf stem, a red-colored plant sap comes out of the wound.

单词	blood weed
释义	> as lemmas blood weed blood weed n. any of several plants which are red in some way or have red sap; spec. †(a) the bloodroot or red puccoon, Sanguinaria canadensis (obsolete); †(b) pale persicaria, Polygonum lapathifolium, which has reddish stems (obsolete. rare); (c) North American the great ragweed, Ambrosia trifida, which exudes a red sap when damaged. ΚΠ 1770 J. Hill Veg. Syst. XVI. 31 (heading) Genus II. Bloodweed. Sanguinaria. 1847 Amer. Jrnl. Pharmacy 19 21 He at length had recourse to the blood-weed, which he administered in the form of a decoction, made from the stems, leaves, and flowers. 1898 H. C. Hart Flora County Donegal 367 Bloodweed. Polygonum lapathifolium. The dark spot on the leaf is supposed to be blood. 1898 Jrnl. Amer. Folklore 11 229 Ambrosia trifida, L., blood-weed, Tex. 1935 San Antonio (Texas) Express 7 July d8/4 The plants that..cause hay fever in the Southwest are the golden ragweed, the common ragweed and the giant ragweed or bloodweed. 2000 Daily Oklahoman (Nexis) 1 Sept. iv. 7 Another name for the giant ragweed..is ‘blood weed’. If you bruise the leaf stem, a red-colored plant sap comes out of the wound. extracted from bloodn.int. < as lemmas
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> as lemmas