1、 Blade difference

The leaves of huangchan are 3-5 whorls, oval or inverted lanceolate rectangular circle, about 5-12 cm long and 1.5-4 cm wide, pubescent, and the leaf veins will bulge below

The leaves of huangchan soft branch are single leaf whorls, thin fleshy, long oval, with sharp apex, green color, smooth surface, hairy middle ribs on the back and pinnate leaf veins

2、 The difference between flowers

Huang Chan is a cyme, born at the top. The Corolla is yellow, funnel-shaped, about 4-6 cm long. The base of corolla tube is relatively expanded, with 5 lobes covering to the left, round or oval, and the top is blunt

The soft branch huangchan 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 expanded