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单词 broad-leaved pondweed
释义

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broad-leaved pondweed
1. Originally: either of two aquatic plants formerly considered to belong to the same genus, (more fully broad-leaved pondweed) Potamogeton natans (see below) and † (more fully narrow-leaved pondweed) the floating form of amphibious bistort, Persicaria amphibia (obsolete). In later use: any of the numerous aquatic plants constituting the cosmopolitan genus Potamogeton (family Potamogetonaceae), which typically have submerged leaves and inconspicuous flowers. Also (more generally): any plant of pond or stagnant water, particularly one with inconspicuous flowers; esp. duckweed (genus Lemna).
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the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > pondweed
pondweed1578
water spike1578
water caltrop1597
potamogeton1601
frog's lettuce1633
pickerel weed1653
pondweed1706
flatter-dock1820
tench-weeda1825
fish-leaves1886
1578 H. Lyte tr. R. Dodoens Niewe Herball i. lxxi. 104 The first..of these kindes of floting herbes..is called water spyke, or most commonly Pondeweede [Du. fonteyn cruyt].
1597 J. Gerard Herball ii. cclxxxiii. 675 (heading) Of Pondweede, or water Spike. [Caption] Potamogeiton latifolium, Broad leafed Pondweed. Potamogeiton angustifolium. Narrow leafed Pondweed.
1657 S. Purchas Theatre Flying-insects i. xv. 94 Pondweed with a flower like Patience.
1724 J. J. Dillenius Ray's Synopsis Methodica Stirpium Brit. (ed. 3) 149 Potamogiton caule compresso... Small-branched Pondweed with a flat Stalk. In Cambridge and many other Rivers.
1814 J. Bigelow Florula Bostoniensis 41 Potamogeton natans. Floating pond weed... A very common species of pond weed, growing near the muddy banks of deep waters.
1866 J. Lindley & T. Moore Treasury Bot. II. 919/1 Pondweed, Potamogeton; also Lemna.
1882 Cornhill Mag. Jan. 34 Degraded blossoms like glasswort, callitriche and pondweed.
1944 R. Matheson Entomol. for Introd. Courses xv. 364 The beetles are found on the leaves and stems of water lilies, arrowhead, pondweed, pickerel weed, sledges, cattails, and other water-loving plants.
1992 Wildlife News (Berks., Bucks & Oxon Naturalists' Trust) May 8/2 Village ponds are typically full of submerged ‘pondweeds’, a blanket term for many different aquatic species.
extracted from pondweedn.
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