| 单词 | rattlesnake fern |
| 释义 | rattlesnake fern (once / 2363863 pages) n WORD FAMILY rattlesnake fern USAGE EXAMPLESThin, green marsh fern circled lakes alongside moonwort, rattlesnake fern and horsetail. New York Times(Oct 21, 2016) Sterile segment triangular, twice pinnatifid, the acute lobes lanceolate, incised or toothed, scarcely fleshy, resembling a very small specimen of the rattlesnake fern. Tilton, George Henry, The Fern Lover's Companion—A Guide...(2010) One of the constant companions of the rattlesnake fern. Tilton, George Henry, The Fern Lover's Companion—A Guide...(2010) n American fern whose clustered sporangia resemble a snake's rattle Syn|Hyper Botrychium virginianum grape fern a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases |
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