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