Originally Posted by edwmax
These photos show open petioles and no color (green) at the base of the leaves and pstem on young plants. ... The TARS photos above shows a mature plant with reddish/darkening color on the pstem. The Photos are not clear enough to show the petioles.
The open petioles you are seeing are on immature leaves. The older leaves are closed to mostly closed. The TARS shows the color on the trunk which should be obvious.