单词 | canaigre |
释义 | canaigre|kəˈneɪgə(r)| [Mexican Sp.] A species of dock, Rumex hymenosepalus, which is grown on sandy soils from Texas to Lower California, and whose roots are rich in tannin; also, the tannin obtained from this plant.
1878Rep. Comm. Agric. (U.S.) 119 In many respects cañaigre root resembled rhubarb. 1884Encycl. Brit. XVII. 401/2 The cañaigre has long been known to possess powerful tanning properties. 1901Westm. Gaz. 21 Oct. 5/1 A plant indigenous to New Mexico, Arizona, and Lower California, known as Rumex hymenosepalus, or ‘canaigre’. 1902Encycl. Brit. XXV. 629/1 Considerable promise attends..the experiments upon canaigre as a source of tannin. 1959P. A. Munz California Flora 358 R[umex] hymenosepalus... Canaigre. Wild-Rhubarb... The dry roots contain as much as 35% tannin. |

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