The leaves are oppositely arranged and green to red or purple in color.

The oppositely arranged leaves are up to 7 centimeters long.

The leaves are oppositely arranged in pairs about the stem.

They may be arranged oppositely or alternately on the stems.

The oppositely arranged leaves are up to 5 centimeters long by 2 wide.

They are arranged oppositely on the lower part of the stem.

The leaves on the stem may be arranged alternately or oppositely.

The leaves are oppositely arranged and up to 4 or 5 centimeters long.

The oppositely arranged leaves are up to 15 centimeters long by 2.5 wide.

The oppositely arranged leaves are up to 11 to 13 centimeters long.