Hearts of Palm, Black Bean, and Orange Salad

INGREDIENTS

• 1 (11-ounce) can mandarin oranges in light syrup, undrained
• 2 tablespoons extra-virgin olive oil
• 2 tablespoons white wine vinegar
• 1/2 teaspoon salt
• 1/2 teaspoon ground coriander seeds
• 1/8 teaspoon ground red pepper
• 10 cup romaine lettuce (about 3 heads), torn
• 1 (15-ounce) can black beans, rinsed and drained
• 1 (14-ounce) can hearts of palm, drained