单词 | Pteridium esculentum |
释义 | Pteridium esculentum (extremely rare) n WORD FAMILY Pteridium esculentum n fern of southeastern Asia; not hardy in cold temperate regions Syn|Hyper bracken 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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