| 单词 | leaf gap |
| 释义 | > as lemmasleaf gap leaf gap n. Botany a break in the vascular tissue of a plant stem, associated with the branching off of a leaf trace. ΚΠ 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 243 Narrow reticulated tracheides at the edges bordering the leaf-gap [Ger. Blattlücke]. 1960 K. Esau Anat. Seed Plants xvi. 217 In other ferns the leaf gaps are vertically elongate. 2006 Internat. Jrnl. Plant Sci. 167 726/1 In solenostelic ferns, only one leaf gap appears in a single cross section. < as lemmas |
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