| 单词 |
tree-fern |
| 释义 |
tree-fern A fern with an upright stem, growing to the size and form of a tree; as those of the genera Cyathea and Alsophila, found in tropical regions, and in Australia and New Zealand.
1846J. L. Stokes Discov. Australia I. viii. 251 The tree-fern..forms a canopy that perfectly excludes the piercing rays of even an Australian sun. 1871Kingsley At Last xi, Calling a halt..to look at some fresh curiosity; now a tree-fern, now a climbing fern. 1886A. Winchell Walks Geol. Field 150 Much of the coal-vegetation was of the nature of ferns,—some of them tree-ferns. |

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