Swollen placenta with oblique ovary is characteristics of Solanaceae family. Many ovules are organized in axile placentation on bilocular ovary. Chili is member of Solanaceae family. Aloe vera and Tulip are member of Liliaceae family and Mulatthi is member of Fabaceaae family.
(Hint; Swollen placenta with many ovule is present in axile placentation is feature of Solanaceae family.