单词 | pygmyweed |
释义 | > as lemmaspygmyweed pygmyweed n. a low-growing, annual, marginal plant, Crassula aquatica (family Crassulaceae), of North America and Europe; (later also, with distinguishing word) any of several other small crassulas. ΚΠ 1818 A. Eaton Man. Bot. (ed. 2) ii. 465 Tillæa..ascendens..pigmy weed... Very minute. 1843 J. Torrey Flora State N.Y. I. 251 Tillæa simplex. Pigmy-weed. 1991 C. Stace New Flora Brit. Isles 375 C. aquatica, Pigmyweed... C. helmsii, New Zealand Pigmyweed... C. decumbens, Scilly Pigmyweed. 2003 Observer (Nexis) 2 Feb. 14 The Australian swamp stonecrop, or New Zealand pygmyweed, is considered the most pernicious of the top 15 invasive plants. < as lemmas |
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