noun🔗ShareThe strengthened vein down the middle of a flower petal or simple leaf or leaflet."The botanist pointed to the long, central midrib of the maple leaf, explaining how it provides support and carries water. "plantpartbiologynaturestructureorganismChat with AIVocabulary GamePractice Reading
noun🔗ShareThe continuation of the petiole of a pinnately compound leaf around which the leaflets attach."In botany class, we learned that the midrib of a rose leaf extends from the stem, and the individual leaflets are attached along its length. "biologyplantanatomypartstructurenatureChat with AIVocabulary GamePractice Reading
