Searching for mother of the bride dresses in rich fall tones? These 12 stylish looks are perfect for weddings in autumn—think deep burgundy, olive green, rust, and sage. From long gowns to wrap dresses and pantsuits, we’ve curated flattering picks for women over 50. Whether you're wondering what to wear as mother of the bride, need ideas for a mother of the bride engagement party outfit, or just want to browse elegant wedding dresses for the bride’s mom, this roundup has it all. These…