The leaves of huangchan are 3-5 whorls, oval or oblong, 5-12 cm long and 1.5-4 cm wide, pubescent, with veins raised below.
The leaves of the soft branch huangchan are single leaf whorled, thin fleshy, oblong, with sharp apex, green color, smooth surface, hairy ribs in the back, pinnate veins.
Yellow Chan is a cyme born on the top, the corolla color is yellow, funnel-shaped, about 4-6cm long, the base of corolla tube is expanded, 5 lobes, all covered to the left, round or oval, the top is blunt.
The soft branch yellow Chan is a raceme born on the top of the new shoot, the color is also yellow, with reddish brown stripes in the middle, and the base of the Corolla is not swollen.