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grape leaf ![click to hear : grape leaf click to hear : grape leaf](../../images/speaker-vert.gif)
lower lateral lobe ![click to hear : lower lateral lobe click to hear : lower lateral lobe](../../images/speaker-vert.gif)
Somewhat rounded section of the blade located on the side of the leaf, in its lower quadrant.
upper lateral lobe ![click to hear : upper lateral lobe click to hear : upper lateral lobe](../../images/speaker-vert.gif)
Somewhat rounded section of the blade located on the side of the leaf, in its upper quadrant.
terminal lobe ![click to hear : terminal lobe click to hear : terminal lobe](../../images/speaker-vert.gif)
Somewhat rounded section of the blade comprising the apex of the leaf.
petiolar sinus ![click to hear : petiolar sinus click to hear : petiolar sinus](../../images/speaker-vert.gif)
Indentation of the leaf’s main part, where it attaches to the petiole.
lower lateral sinus ![click to hear : lower lateral sinus click to hear : lower lateral sinus](../../images/speaker-vert.gif)
Indentation of the leaf’s main part, separating the upper lateral lobe from the lower lateral lobe.
upper lateral sinus ![click to hear : upper lateral sinus click to hear : upper lateral sinus](../../images/speaker-vert.gif)
Indentation of the leaf’s main part, separating the terminal lobe from the upper lateral lobe.