The leaves of four light flowers in Emei are opposite, leathery or thinly leathery, with the shape of oblong or oblong lanceolate, about 5.5-11cm long and 2-4cm wide. The apex sometimes has a short pointed tail, and the base is broadly cuneate or cuneate. The top is bright green, with white, close fitting pubescence, and the bottom is grayish green, with dense pubescence.
There are more than 100 green flowers in the flower heads of Emei. There are 4 involucral bracts, which are either obovate or broad obovate in shape and white in color. There are 4 petals, which are oblong.
The fruit order of the four light flowers in Emei is oblate, and it is purplish red when it is mature. The total fruiting pedicel is thick, cylindrical, with coarse hair when young, and will gradually fall off to glabrous later.