Characteristics of angiosperms Plants are sporophytic , flowering , autotrophic and asymptomatic. Body soft or hard , hard or woody , evergreen or deciduous . They are rich in vascular tissue ; Xylem tissue contains actual vessel cells and phloem tissue contains gametes. Their leaves are simple or compound. The flowers of these plants are single or in buds. Gametophytes are very short and dependent. Special cells that enclose the uterus ; The ovule is formed inside the uterus . After fertilization, the uterus becomes fruit and the seed is embedded in the fruit. The pollen grains fall into the cervix during pollination. Sperm are frozen everywhere and archigonium is missing. Duplication occurs in all cases so the crop is triploid ( 3n) . Clear genealogy exists.