| 单词 | calyptra |
| 释义 | calyptra (once / 295483 pages) n WORD FAMILY calyptra USAGE EXAMPLESThe ripped-off piece of its birthplace often remains stuck to the top of the sporophyte and is called a calyptra. Scientific American(May 12, 2013) If not preserved in an envelope the calyptra and operculum are very apt to fall off and become lost. Various, Encyclopaedia Britannica, 11th Edit...(2012) Involucral leaves coalescent into an oblong truncate hairy tube, blended in our species with the calyptra; perianth none. Gray, Asa, The Manual of the Botany of the Nor...(2012) n the hood or cap covering the calyx of certain plants: e.g., the California poppy Hyper plant part, plant structure any part of a plant or fungus |
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