Ilex haidongqing is a biennial or perennial herb, about 11 to 40 cm high, its main root is spindle shaped, its stem is upright, green, relatively thick, without villi, and its stem has several grooves.
Haidongqing's leaves are basal, lanceolate or oblanceolate, undivided, leathery, about 5 to 25 cm long and 1.2 to 4 cm wide. The top of the leaves is blunt, the base is gradually narrow, the edge has sharp serrations of bone, the surface is dark green, the back is light green, both sides are hairless, the petiole is short, the base has sheath, which can reach 3 cm
Capitulum, cylindrical, 0.5 to 1.2 cm long, 3 to 5 mm wide, sessile, bracts 1.5 to 3.5 cm long, 4 to 10 mm wide, leaflike, lanceolate, petals 0.5 to 1 mm, white, light yellow or grass green.
