| 单词 | grape fern |
| 释义 | grape fern (once / 1477414 pages) n WORD FAMILY grape fern: grape ferns USAGE EXAMPLESSimilar to the type, but with the divisions very finely dissected or incisely many-toothed, the most beautiful of all the grape ferns. Tilton, George Henry, The Fern Lover's Companion—A Guide...(2010) n a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases Hypo|Hyper Botrychium lunaria, common moonwort, moonwort of America and Eurasia and Australia Botrychium matricariifolium, daisy-leaved grape fern, daisyleaf grape fernof North America and Eurasia Botrychium multifidum, leathery grape fernEuropean fern with leathery and sparsely hairy fronds Botrychium virginianum, rattlesnake fernAmerican fern whose clustered sporangia resemble a snake's rattle fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores |
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