单词 | cliff-brake |
释义 | cliff-brake (extremely rare) n WORD FAMILY cliff-brake USAGE EXAMPLESTiny blue-green leaves of the cliff-brake, strung on slender, shining stems, contrasted their delicate grace with the ruggedness of the old cliff. Lazell, Frederick John, Some Summer Days in Iowa(2010) n any of several small lithophytic ferns of tropical and warm temperate regions Syn|Hypo|Hyper cliff brake, rock brake Pellaea andromedifolia, coffee fern evergreen fern of California and Baja California Pellaea atropurpurea, purple rock brakevery short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes Pellaea mucronata, Pellaea ornithopus, bird's-foot ferncliff brake of California and Baja California having purple-brown leafstalks 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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