单词 | hydrilla |
释义 | hydrillan. Botany. A freshwater plant with heavily branching stems, small transparent flowers, and whorls of narrow leaves, Hydrilla verticillata (family Hydrocharitaceae); cf. water thyme n. 2. Also (in form Hydrilla): the genus itself.Hydrilla is native to the Old World but is now considered an invasive weed in North America.Valid publication of the genus name: L. C. Richard Mém. Cl. Sci. Math. Inst. France 1811 (1814) ii. 9. ΘΚΠ the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > water-thyme water-weeda1300 hydrilla1824 anacharis1848 water thyme1853 elodea1894 the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > other aquatic plants sea-purslane1548 frog-bit1578 heartwort1578 milkwort1578 water dragon1578 water-liverwort1578 water milfoil1578 water milfoil1578 water radish1578 arrowhead1597 saltwort1597 water archer1597 calla1601 water-rocket1605 sea rocket1611 water archer1617 water chickweed1633 water purslane1633 arsesmart1640 water hyssop1653 water thyme1655 water serpent1659 Myriophyllum1754 least water plantain1756 mud-weed1756 Thalia1756 water-leaf1756 marsh liverwort1760 bastard plantain1762 wool-weed1765 Ruppia1770 goat's foot1773 pipewort1776 blinking chickweed1777 mudwort1789 arrowleaf1805 water-target1814 water willow1814 felwort1816 water shield1817 mermaid weed1822 mud plantain1822 hydrilla1824 blinks1835 crystalwort1846 naiad1846 waterwort1846 arrow weed1848 willow-thorn1857 lattice leaf1866 marsh flower1866 bonnet1869 lattice plant1877 sea-ash1884 alligator weed1887 water parsley1891 water hyacinth1897 lirio1926 neverwet1927 1824 Edinb. Jrnl. Sci. 1 35 It has been proposed by M. Richard to form for it [sc. the Serpicula verticillata] a new genus called Hydrilla. 1872 Jrnl. Bot., Brit. & Foreign 10 98 Hydrilla seems quite distinct by the subglobose spathe of its sessile male flowers. 1913 New Phytologist 12 52 The commonest genera which we find in nearly every pond, ditch, or lake are perhaps as follows:—Alisma, Ceratophyllum, Hydrilla,..and Zizania. 1968 Sheboygan (Wisconsin) Press 16 Feb. 4 (advt.) Hydrilla bunch 35¢. 3 bunches $1.00. 1995 B. Freedman Environmental Ecol. (ed. 2) vii. 210/1 After 3 years,..the Hydrilla biomass was reduced to 32 tonnes. 2003 Nature Conservancy Winter 41/1 It would greatly please aquatic ecologists to rip out every last strand of hydrilla..now choking the waterways of Florida. This is a new entry (OED Third Edition, September 2018; most recently modified version published online March 2022). < n.1824 |
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