| 单词 | poplar tree |
| 释义 | poplar tree (once / 20449 pages) n WORD FAMILY poplar tree: poplar trees USAGE EXAMPLESThey put into practice what they learned and worked on a quarter-mile trail to the iconic tulip poplar tree. Washington Times(Jan 02, 2017) On the other was an abandoned, untended wood of oak and poplar trees. New York Times(Oct 06, 2016) EPA proposed adding hybrid poplar trees and willow trees as materials approved for production of cellulosic biofuel. Reuters(Oct 03, 2016) n any of numerous trees of north temperate regions having light soft wood and flowers borne in catkins Syn|Hypo|Hyper poplar Populus balsamifera, balsam poplar, hackmatack, tacamahac poplar of northeastern North America with broad heart-shaped leaves Populus alba, abele, aspen poplar, silver-leaved poplar, white aspen, white poplara poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces Populus canescens, gray poplar, grey poplarlarge rapidly growing poplar with faintly lobed dentate leaves grey on the lower surface; native to Europe but introduced and naturalized elsewhere Populus nigra, black poplarlarge European poplar cottonwoodany of several North American trees of the genus Populus having a tuft of cottony hairs on the seed aspenany of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind Lombardy poplar, Populus nigra italicadistinguished by its columnar fastigiate shape and erect branches Eastern cottonwood, Populus deltoides, necklace poplara common poplar of eastern and central United States; cultivated in United States for its rapid growth and luxuriant foliage and in Europe for timber Populus trichocarpa, Western balsam poplar, black cottonwoodcottonwood of western North America with dark green leaves shining above and rusty or silvery beneath Populus heterophylla, black cottonwood, downy poplar, swamp cottonwood, swamp poplarNorth American poplar with large rounded scalloped leaves and brownish bark and wood European quaking aspen, Populus tremula, quaking aspenOld World aspen with a broad much-branched crown; northwestern Europe and Siberia to North Africa American aspen, American quaking aspen, Populus tremuloidesslender aspen native to North America Canadian aspen, Populus grandidentata, big-toothed aspen, bigtooth aspen, bigtoothed aspen, large tooth aspen, large-toothed aspenaspen with a narrow crown; eastern North America angiospermous tree, flowering tree any tree having seeds and ovules contained in the ovary |
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