concrete. That which serves as a defence. spec. The tusk of an elephant (= French défense). Also, the involucre of a flower. Obsolete.
| 单词 | θ21711 |
| 释义 | the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [noun] > involucre (6) fence1727 concrete. That which serves as a defence. spec. The tusk of an elephant (= French défense). Also, the involucre of a flower. Obsolete. involucrum1753 Botany. = involucre, n. 2. involucel1765 A whorl of bracts surrounding one of the divisions in an inflorescence; a partial or secondary involucre. involucre1787 Botany. A whorl or rosette of bracts surrounding an inflorescence, or at the base of an umbel. Also: (a) (in ferns) sometimes applied to the… involucret1793 = involucel, n. cupule1830 Botany. A cup-shaped involucre consisting of bracts cohering by their bases, as in the oak, beech, and hazel. Also, a cup-like receptacle found… |
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