What is an angiosperm?

True flowers are the main characteristics of angiosperms, so angiosperms are also called flowering plants. Specifically, such as lily, rose, peony, narcissus, sunflower, gypsophila paniculata, Lagerstroemia indica, bauhinia, pepper, tomato, eggplant, wax gourd, pumpkin, watermelon, rice, wheat, sorghum, Chinese cabbage, Chinese flowering cabbage, broccoli and so on.

Angiosperms are the largest and highest phylum in the plant kingdom 1 Embryo sac and double fertilization are composed of several (usually eight) cells, which are considered as evidence of the evolutionary consistency of angiosperms and their differences from other plant groups. The flowers of angiosperms are different from those of gymnosperms in morphology; The ovule is enclosed in a closed ovary and develops into fruit. Cotyledon 1 ~ 2 (rarely 3 ~ 4); Vascular bundle is mainly composed of ducts; Reproduction, the gametophyte is greatly simplified and develops with the least division number, and the archegonium in the female gametophyte is underdeveloped; Adapting to various living conditions in ecology; Physiologically, it is more adaptable to the utilization of light energy than gymnosperms and ferns.

PS, Baidu Encyclopedia has a detailed introduction about angiosperms!