At night, the tip of the blade is slowly slanting up from the front of the blade. Usually, the tip will turn red, and occasionally the red tip will disappear. In good condition, the edge of the blade will turn red, and there is no obvious edge line in the middle of the back.
The licorice captain's leaves will be thicker and wider. The front end of the leaf is wide until the position of the tip. It looks more like a beauty's tip. There is obvious red halo behind the tip. In normal growth state, the red edge of the tip or even the edge line on the back of the leaf will turn red, and the edge line is obvious.
The flowers of the still night spread vertically upward, almost the same size, yellow in color, with red ridges and tips. And captain licorice's flower color is more orange