North American. Any plant of the genus Podostemum or (more widely) the family Podostemaceae; esp. the threadfoot, P. ceratophyllum.
| 单词 | θ22976 |
| 释义 | the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > thread-foot (4) river weed1832 North American. Any plant of the genus Podostemum or (more widely) the family Podostemaceae; esp. the threadfoot, P. ceratophyllum. Podostemum1836 A genus of dicotyledonous aquatic plants (the type genus of the family Podostemaceae), comprising plants with highly modified, mosslike foliage and… podostemad1846 A plant of the family Podostemaceae. thread-foot1884 a name of the herb Podostemon ceratophyllus, in reference to its finely-divided linear leaves. |
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