Shrimp and Coconut Curry with Green Beans

Name: Shrimp and Coconut Curry with Green Beans
Ingredients: 3/4 pound green beans, trimmed, cut into 1 1/2-inch pieces; 3 lemongrass stalks; 1 cup coarsely chopped fresh cilantro; 2/3 cup coarsely chopped shallots; 1/4 cup coarsely chopped seeded jalapeño chiles; 2 tablespoons Indian curry powder (such as Madras); 1 tablespoon coarsely chopped peeled fresh ginger; 1/4 cup coarsely chopped fresh basil plus sliced leaves (for garnish); 1/4 cup water; 2 tablespoons vegetable oil; 2 cups canned unsweetened coconut milk; 2 1/2 pounds uncooked medium shrimp, peeled, deveined; Lime wedges