单词 | buckler fern |
释义 | buckler fern (once / 5909656 pages) n WORD FAMILY buckler fern: buckler ferns n any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori Syn|Hypo|Hyper shield fern Dryopteris dilatata, broad buckler-fern European shield fern Dryopteris goldiana, Goldie's fern, Goldie's shield fern, goldie's wood fernNorth American fern with a blackish lustrous stipe Polystichum setiferum, soft shield fernEuropean shield fern cultivated in many varieties 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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