| 单词 | leather fern |
| 释义 | leather fern (extremely rare) n WORD FAMILY leather fern 1n stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides Syn|Hyper Acrostichum aureum, golden fern fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores 2n widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds Syn|Hyper Polystichum adiantiformis, Rumohra adiantiformis, leatherleaf fern, ten-day fern 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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