involucre 

  1. 名詞
植物的: 總苞/
花被, 蒴包
外皮, 包膜

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Involucre – A tube of thallus tissue that protects the archegonia                            
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  2. 
                                A set of bracts forms an involucre surrounding the base of the capitulum.                            
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                                Two subgenera have been defined based on involucre characters; Riella subg.                            
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                                At the base of each flower-head is a ring of narrow, green bracts the involucre .                            
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                                The fruit of hickory is pear shaped and enclosed in a thin husk developed from the floral involucre .                            
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