Ilex pedunculata, a compositae plant, is the largest 1 family in the subclass Chrysanthemum, a dicotyledonous plant with a consistent floret structure. Flowers tubular, actinomorphic, or ligulate and bilaterally symmetrical, or corolla tubular and corolla lobes 2-lipped. Most small flowers are densely arranged and covered by involucral bracts, forming a consistent head. *** 13 family has more than 300 genera and nearly 220,000 species, which are distributed all over the world except Antarctica. Because of the structure and reproductive characteristics of undergraduate course, such as sepals becoming crown hairs and bristles, it is beneficial to the long-distance spread of fruits; Some species have tubers, tubers, stolons or rhizomes, which are beneficial to asexual reproduction; In addition, the inflorescence structure and the high adaptability of insect pollination promote its rapid development and differentiation, thus reaching the top of angiosperms in terms of genera, species and individuals. There are about 220 genera and nearly 3,000 species in China, which are distributed all over the country, including Chrysanthemum heterophyllum, Manglietia Compound Leaves, Chrysanthemum Taihang, Brucella, Chrysanthemum, Solanum lyratum Thunb, Radix Aucklandiae, Macrocephala, Gerbera jamesonii, Populus tomentosa, Leguminosae, Petunia, Petunia and so on.