Growing Zinnias from Seed Johnny's Selected Seeds Hanging, Trailing and Vining Succulents Debra Lee Baldwin To answer this question, we need to understand the structure of a flower and the process of fertilization. The key components involved in seed development are the ovary, ovule, and receptacle. 1. ** Assorted Lithops 20 Plant Help with spider plant + fertilizer? : r plants Mainstays Faux Succulent Arrangement in White Ceramic Hands Pot, 4 inch