How are Elatinaceae leaves and flowers described?

Members of the Elatinaceae family, which belongs to the order Malpighiales, are described as follows:

• Leaves: These plants typically have opposite or whorled leaves that are more or less toothed. They are also stipulate, featuring small, thin, and brownish stipules.12
• Flowers: The family is characterized by having very small flowers. These flowers are axillary and possess two to five overlapping petals. Additionally, the genus Elatine is noted for having dimerous to tetramerous flowers.1234